I said it was a hard quiz, so here are some clues to the questions nobody has got right yet.
Unanswered Questions
3. Incarnations of the Porsche 911 are generally denoted with three digit numbers of the form 9xx. What is the current model, released earlier this year?
Clue: It's almost the same numbers.
4. In 2002, the television programme 'Top Gear' returned in a new one hour format featuring 'The Stig' and presented by Jeremy Clarkson, Richard Hammond and which other presenter?
Clue: It's not James May, who replaced this guy after the first series. The guy you are looking for is Cornish and a Sunday Times columnist.
5. What connects the following fictional characters? Kate Hughes, Reverend Stevens, Detective Constable Braithwaite, Mel Ryan, Eddy Fox, Barbara Gillet, Mr Wilson.
Clue: If I told you that Kate Hughes was married to Jamie McCrimmon, would that help?
9. What is the highest mountain in Tamriel?
Clue: It's in the region of Tamriel called 'Skyrim'.
13. Who is the president of the Solar Spice and Liquors Company?
Clue: In a series of stories by Poul Anderson.
17. What relation was Mick Fleetwood to Layla between 1970 and 1977?
Clue: To answer this, you have to know who 'Layla' was in real life.
18. In Monty Python's Lumberjack Song, one of the types of tree mentioned is "the plucky little aspen". Explain why the aspen isn't really that little.
Clue: Technically, aspen 'trees' aren't trees but stems. Does that help?
20. Who was the male lead of the 1945 film 'Strawberry Roan', based on the novel by A.G. Street?
Clue: There's a connection to one of my favourite television series and to one of my favourite film series.
21. And which 60s pop star appeared also appeared in the film?
Clue: Mostly associated with urban areas.
22. By population, what is the smallest country in Africa?
Clue: Popular honeymoon destination.
23. What nationality is Everton midfielder Marouane Fellaini?
Clue: It's a western European country.
24. In the NBA, the 1987-88 Washington Bullets team featured Tyrone Bogues at point guard and Manute Bol at centre. What was particularly striking about this combination?
Clue: 28 inches.
25. Which former all-star baseball player holds the (unofficial) record for the fastest 40 yard dash time in the National Football League scouting combine?
Clue: He knows.
27. The name of which D&D arch-villain is an anagram of one of Gary Gygax's favourite authors?
Clue: Lich.
29. 'Soap' McTavish is a star of which series of computer games?
Clue: He's in the SAS.
31. I'm an FCA. What is a CA?
Clue: I've never been a CA. Before I was an FCA I was an ACA.
35. If he hadn't chosen to play for Wales, Ryan Giggs would have been eligible to play for which other international team?
Clue: His grandfather was from this country.
36. Which character has been played at different times by the following actors? Paul Darrow, Peter Cushing, Wayne Pygram, Keene Curtis, Stephen Stanton.
Clue: But only Peter Cushing is famous for the role.
37. Who is the Argentinean manager of Athletic Bilbao?
Clue: He also managed Chile in the last world cup and is one of football's eccentric tactical geniuses.
39. Mark Seven and Reb Shavron were agents working for which military and scientific organisation under the command of Space Major Joel Shaw (who in turn reported to President Cal Tarrant)?
Clue: The name Tarrant is also associated with something else created by this writer.
40. 'Andrew North' was a nom-de-plume of which SF author?
Clue: He might be a she.
41. "The coin of the kingdom of the mad dangles on my chest to remind me of the eternal oscillation of human fortunes" is a line from the prologue of the marxist novel 'Q', which was _not_ written by which former Watford FC striker, but which seems at first that it might have been?
Clue: He also played for AC Milan.
43. What is the current flagship of the Royal Navy?
Clue: NATO designation L15.
44. What was the name of Sherlock and Mycroft Holmes's (not really canonical, but appearing in a number of connected works) older brother?
Clue: He was the one who inherited the family estate, which was in Yorkshire, and not on Dartmoor.
46. Nicholas Briggs provides the voice of the Daleks in Doctor Who. What part did he play in Steven Moffat's sitcom 'Coupling'?
Clue: You may question his acting range.
Unanswered Questions
3. Incarnations of the Porsche 911 are generally denoted with three digit numbers of the form 9xx. What is the current model, released earlier this year?
Clue: It's almost the same numbers.
4. In 2002, the television programme 'Top Gear' returned in a new one hour format featuring 'The Stig' and presented by Jeremy Clarkson, Richard Hammond and which other presenter?
Clue: It's not James May, who replaced this guy after the first series. The guy you are looking for is Cornish and a Sunday Times columnist.
5. What connects the following fictional characters? Kate Hughes, Reverend Stevens, Detective Constable Braithwaite, Mel Ryan, Eddy Fox, Barbara Gillet, Mr Wilson.
Clue: If I told you that Kate Hughes was married to Jamie McCrimmon, would that help?
9. What is the highest mountain in Tamriel?
Clue: It's in the region of Tamriel called 'Skyrim'.
13. Who is the president of the Solar Spice and Liquors Company?
Clue: In a series of stories by Poul Anderson.
17. What relation was Mick Fleetwood to Layla between 1970 and 1977?
Clue: To answer this, you have to know who 'Layla' was in real life.
18. In Monty Python's Lumberjack Song, one of the types of tree mentioned is "the plucky little aspen". Explain why the aspen isn't really that little.
Clue: Technically, aspen 'trees' aren't trees but stems. Does that help?
20. Who was the male lead of the 1945 film 'Strawberry Roan', based on the novel by A.G. Street?
Clue: There's a connection to one of my favourite television series and to one of my favourite film series.
21. And which 60s pop star appeared also appeared in the film?
Clue: Mostly associated with urban areas.
22. By population, what is the smallest country in Africa?
Clue: Popular honeymoon destination.
23. What nationality is Everton midfielder Marouane Fellaini?
Clue: It's a western European country.
24. In the NBA, the 1987-88 Washington Bullets team featured Tyrone Bogues at point guard and Manute Bol at centre. What was particularly striking about this combination?
Clue: 28 inches.
25. Which former all-star baseball player holds the (unofficial) record for the fastest 40 yard dash time in the National Football League scouting combine?
Clue: He knows.
27. The name of which D&D arch-villain is an anagram of one of Gary Gygax's favourite authors?
Clue: Lich.
29. 'Soap' McTavish is a star of which series of computer games?
Clue: He's in the SAS.
31. I'm an FCA. What is a CA?
Clue: I've never been a CA. Before I was an FCA I was an ACA.
35. If he hadn't chosen to play for Wales, Ryan Giggs would have been eligible to play for which other international team?
Clue: His grandfather was from this country.
36. Which character has been played at different times by the following actors? Paul Darrow, Peter Cushing, Wayne Pygram, Keene Curtis, Stephen Stanton.
Clue: But only Peter Cushing is famous for the role.
37. Who is the Argentinean manager of Athletic Bilbao?
Clue: He also managed Chile in the last world cup and is one of football's eccentric tactical geniuses.
39. Mark Seven and Reb Shavron were agents working for which military and scientific organisation under the command of Space Major Joel Shaw (who in turn reported to President Cal Tarrant)?
Clue: The name Tarrant is also associated with something else created by this writer.
40. 'Andrew North' was a nom-de-plume of which SF author?
Clue: He might be a she.
41. "The coin of the kingdom of the mad dangles on my chest to remind me of the eternal oscillation of human fortunes" is a line from the prologue of the marxist novel 'Q', which was _not_ written by which former Watford FC striker, but which seems at first that it might have been?
Clue: He also played for AC Milan.
43. What is the current flagship of the Royal Navy?
Clue: NATO designation L15.
44. What was the name of Sherlock and Mycroft Holmes's (not really canonical, but appearing in a number of connected works) older brother?
Clue: He was the one who inherited the family estate, which was in Yorkshire, and not on Dartmoor.
46. Nicholas Briggs provides the voice of the Daleks in Doctor Who. What part did he play in Steven Moffat's sitcom 'Coupling'?
Clue: You may question his acting range.

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(Based at HMS Drake, just around the corner from the two bridges in the userpic.)