Question: In what year was the writer of "Empress of Mars" born?

full_context: Document 1: Empress of Mars: "Empress of Mars" is the ninth episode of the tenth series of the British science fiction television series "Doctor Who". It is written by Mark Gatiss and was broadcast on 10 June 2017 on BBC One. "Empress of Mars" received generally favorable reviews from television critics.
Document 2: Thin Ice (Doctor Who): "Thin Ice" is the third episode of the tenth series of the British science fiction television series "Doctor Who". It is written by Sarah Dollard and was broadcast on 29 April 2017 on BBC One. "Thin Ice" received mostly positive reviews from critics, with many labelling the topic of racism in the episode as well-executed.
Document 3: Elyes Gabel: Elyes Cherif Gabel (born 8 May 1983) is an English actor. Among his most notable roles, he has portrayed Dr. Gupreet "Guppy" Sandhu in the "BBC" medical drama "Casualty", Dothraki Rakharo in Seasons 1 and 2 of the "HBO" series "Game of Thrones", and P.E. teacher Rob Cleaver in the BBC drama "Waterloo Road". He appeared in the "ITV" drama "Identity" and portrayed Detective Adam Lucas in Season 3 of "Body of Proof". He is currently starring in the CBS series "Scorpion" as computer genius Walter O'Brien.
Document 4: Reece Shearsmith: Reeson Wayne "Reece" Shearsmith (born 27 August 1969) is an English actor, writer and comedian. He created, wrote and starred in sketch show "The League of Gentlemen", along with Steve Pemberton, Mark Gatiss, and Jeremy Dyson. He and Pemberton also created, wrote and starred in another dark comedy series "Psychoville". He and Pemberton currently write and star in their anthology series "Inside No. 9". In "The League of Gentlemen", "Psychoville" and "Inside No. 9", Shearsmith plays multiple characters.
Document 5: The League of Gentlemen's Apocalypse: The League of Gentlemen's Apocalypse is a feature film spin-off of the British television comedy series "The League of Gentlemen". Starring Mark Gatiss, Steve Pemberton and Reece Shearsmith, the film was written by the cast with Jeremy Dyson, and directed by Steve Bendelack. Also featuring in guest roles are Michael Sheen, Victoria Wood, David Warner, Alan Morrissey, Bruno Langley, Bernard Hill, Simon Pegg and Peter Kay.
Document 6: Extremis (Doctor Who): "Extremis" is the sixth episode of the tenth series of the British science fiction television series "Doctor Who". It is written by Steven Moffat and was broadcast on 20 May 2017 on BBC One. "Extremis" received extremely positive reviews from television critics, with many praising Peter Capaldi's performance and Steven Moffat's script, though some commented on the complicatedness of the script.
Document 7: David Tennant: David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor and voice actor. He is best known for his roles as the Tenth Doctor in the British television series "Doctor Who", Alec Hardy in "Broadchurch", Giacomo Casanova in the TV serial "Casanova", Kilgrave in "Jessica Jones", and Barty Crouch, Jr. in the film "Harry Potter and the Goblet of Fire". In addition to his appearances on screen, he has worked as a voice actor and in theatre, including Prince Hamlet in a critically acclaimed 2008 stage production of "Hamlet" and as the voice of Scrooge McDuck in the new "DuckTales" series starting in 2017. In January 2015, Tennant received the National Television Award for Special Recognition.
Document 8: The Doctor Falls: "The Doctor Falls" is the twelfth and final episode of the tenth series of the British science fiction television series "Doctor Who". It is written by Steven Moffat, directed by Rachel Talalay, and was broadcast on 1 July 2017 on BBC One. It is the second episode of a two-part story, the first part being "World Enough and Time". The episode received overwhelmingly positive reviews from television critics.
Document 9: Tyrion Lannister: Tyrion Lannister (also referred to as "the Imp" or "the Halfman") is a fictional character in "A Song of Ice and Fire", a series of fantasy novels by American author George R. R. Martin and its television adaptation "Game of Thrones". Based on an idea that came to Martin while writing the 1981 novel "Windhaven", Tyrion has been called one of the author's finest creations and most popular characters by "The New York Times". Martin has named the character as his favorite in the series.
Document 10: The Crimson Horror: "The Crimson Horror" is the eleventh episode of the seventh series of the British science-fiction drama "Doctor Who". It was written by Mark Gatiss and directed by Saul Metzstein.
Document 11: James Goss (producer): James Goss (born 1974) is an English writer and producer, known both for his work in cult TV spin-off media, including tie-in novels and audio stories for "Doctor Who" and "Torchwood", and for his fictional works beyond ready made universes.
Document 12: World Enough and Time (Doctor Who): "World Enough and Time" is the eleventh episode of the tenth series of the British science fiction television series "Doctor Who". It is written by Steven Moffat, directed by Rachel Talalay, and was broadcast on 24 June 2017 on BBC One. The episode received overwhelmingly positive reviews from television critics.
Document 13: The Waters of Mars: "The Waters of Mars" is the third episode of the 2008–2010 specials of British science fiction television series "Doctor Who", broadcast on BBC One on 15 November 2009. It aired on BBC America on 19 December 2009 and was released on DVD and Blu-ray in the UK on 11 January 2010 and in the US on 2 February 2010. The story is set on Mars in the year 2059 where the Doctor encounters the first human colony, Bowie Base One. This is commanded by Captain Adelaide Brooke who turns out to be a pivotal character in the history of humanity. The Doctor must decide whether to use his knowledge of her fate to change history. According to "Doctor Who" writer and producer Russell T Davies, the special is closely linked to the next two episodes but is not the first part of a three-part story. The special was dedicated to Barry Letts, the former writer and producer of "Doctor Who" who died in October 2009. The episode won the 2010 Hugo Award for Best Dramatic Presentation, Short Form.
Document 14: Ricky Gervais: Ricky Dene Gervais ( ; born 25 June 1961) is an English comedian, actor, writer, producer, director, singer, and musician.
Document 15: Mark Gatiss: Mark Gatiss ( ; born 17 October 1966) is an English actor, comedian, screenwriter and novelist. His work includes writing for and acting in the TV series "Doctor Who" and "Sherlock". Together with Reece Shearsmith, Steve Pemberton and Jeremy Dyson, he is a member of the comedy team "The League of Gentlemen". He is also known for his role as Tycho Nestoris in the HBO series "Game of Thrones".
ground_truth: 1966