Question: Who wrote the 2007 British television film "Coming Down The Mountain" and authored a 2003 mystery novel based on Arthur Conan Doyle's short story "Silver Blaze"?

full_context: Document 1: Falling (Howard novel): Falling (ISBN  ) is a 1999 novel by British writer Elizabeth Jane Howard. It was later filmed as a drama for ITV.
Document 2: The Sense of an Ending: The Sense of an Ending is a 2011 novel written by British author Julian Barnes. The book is Barnes' eleventh novel written under his own name (he has also written crime fiction under the pseudonym Dan Kavanagh) and was released on 4 August 2011 in the United Kingdom. "The Sense of an Ending" is narrated by a retired man named Tony Webster, who recalls how he and his clique met Adrian Finn at school and vowed to remain friends for life. When the past catches up with Tony, he reflects on the paths he and his friends have taken. In October 2011, "The Sense of an Ending" was awarded the Man Booker Prize. The following month it was nominated in the novels category at the Costa Book Awards.
Document 3: Kevin Hood: Kevin Hood is a playwright and screenwriter who is perhaps best known for contributing scripts to the BBC television series "Grange Hill" and the 2007 film "Becoming Jane".
Document 4: A Study in Emerald: "A Study in Emerald" is a short story written by British fantasy and graphic novel author Neil Gaiman. The story is a Sherlock Holmes pastiche transferred to the Cthulhu Mythos universe of horror writer H. P. Lovecraft. It won the 2004 Hugo Award for Best Short Story. The title is a reference to the Sherlock Holmes novel "A Study in Scarlet". "A Study in Emerald" first appeared in the anthology "Shadows Over Baker Street", a collection of stories combining the worlds of Arthur Conan Doyle and H. P. Lovecraft; it has subsequently been available as part of Gaiman's short story collection "Fragile Things," in the collection "New Cthulhu: The Recent Weird", and is available online. The online version takes the form of a Victorian periodical or newspaper, which includes various advertisements that reference characters such as Vlad Tepes, Victor Frankenstein, Spring Heeled Jack, and Dr. Jekyll.
Document 5: The London Eye Mystery: The London Eye Mystery is a children's mystery novel by English author Siobhan Dowd. First published in 2007, it tells the story of how Ted, a boy with Asperger syndrome, solves the mystery of how his cousin, Salim, seemingly vanishes from inside a sealed capsule on the London Eye. It was Dowd's second children's novel and won six awards, including the School Library Journal Best Books of the Year Award 2008.
Document 6: Coming Down the Mountain: Coming Down the Mountain is a 2007 British television film which was shown on BBC One, written by Mark Haddon (author of "The Curious Incident of the Dog in the Night-Time") and directed by Julie Anne Robinson. The television film was based on a radio play also written by Haddon.
Document 7: The New Annotated Sherlock Holmes: The New Annotated Sherlock Holmes is a series of three annotated books edited by Leslie S. Klinger, collecting all of Arthur Conan Doyle's short stories and novels about Sherlock Holmes. The books were originally published by W. W. Norton in oversized slipcased hardcover editions. The first two volumes containing the short stories were published on November 17, 2004, with the third volume containing the novels following a year later on November 17, 2005. Each volume was subsequently published separately on November 5, 2007 without a slipcase. This publication of the Sherlock Holmes canon has been called "definitive"
Document 8: Silver Blaze (1937 film): Silver Blaze is a 1937 British, black-and-white crime and mystery film, based loosely on Arthur Conan Doyle's short story "Silver Blaze". It was directed by Thomas Bentley, and was produced by Twickenham Film Studios Productions. It stars Arthur Wontner as Sherlock Holmes, Ian Fleming as Dr. Watson and Ronald Shiner (uncredited) as Simpson the Stable Boy/Jockey. In the United States the film was released in 1941 by Astor Pictures, where it was also known as Murder at the Baskervilles, retitled by distributors to capitalize on the success of the Basil Rathbone Holmes film, "The Hound of the Baskervilles".
Document 9: The Adventure of the Gloria Scott: The “Gloria Scott”, one of the 56 Sherlock Holmes short stories written by British author Sir Arthur Conan Doyle, is one of 12 stories in the cycle collected as "The Memoirs of Sherlock Holmes". It is chronologically the earliest case in Sherlock Holmes canon. This story is related mainly by Holmes rather than Watson, and is the first case to which Holmes applied his powers of deduction, having treated it as a mere hobby until this time. This is one of the two Sherlock Holmes stories in which a protagonist is haunted by an old acquaintance for an old crime. The other is "The Boscombe Valley Mystery."
Document 10: The Adventure of Silver Blaze: "Silver Blaze", one of the 56 Sherlock Holmes short stories written by British author Sir Arthur Conan Doyle, is one of 12 in the cycle collected as "The Memoirs of Sherlock Holmes". Doyle ranked "Silver Blaze" 13th in a list of his 19 favourite Sherlock Holmes stories.
Document 11: The Curious Incident of the Dog in the Night-Time: The Curious Incident of the Dog in the Night-Time is a 2003 mystery novel by British writer Mark Haddon. Its title quotes the fictional detective Sherlock Holmes in Arthur Conan Doyle's 1892 short story "Silver Blaze". Haddon and "The Curious Incident" won the Whitbread Book Awards for Best Novel and Book of the Year, the Commonwealth Writers' Prize for Best First Book, and the Guardian Children's Fiction Prize. Unusually, it was published simultaneously in separate editions for adults and children.
Document 12: Paula Hawkins (author): Paula Hawkins (born 26 August 1972) is a Zimbabwe-born British author, best known for her best-selling psychological thriller novel "The Girl on the Train" (2015), which deals with themes of domestic violence, alcohol, and drug abuse. The novel was adapted into a film starring Emily Blunt in 2016. Hawkins' second novel, "Into the Water", was released in 2017.
Document 13: Sherlock Holmes: Sherlock Holmes ( ) is a fictional private detective created by British author Sir Arthur Conan Doyle. Known as a "consulting detective" in the stories, Holmes is known for his proficiency with observation, forensic science, and logical reasoning that borders on the fantastic, which he employs when investigating cases for a wide variety of clients, including Scotland Yard.
Document 14: The Hound of the Baskervilles: The Hound of the Baskervilles is the third of the crime novels written by Sir Arthur Conan Doyle featuring the detective Sherlock Holmes. Originally serialised in "The Strand Magazine" from August 1901 to April 1902, it is set largely on Dartmoor in Devon in England's West Country and tells the story of an attempted murder inspired by the legend of a fearsome, diabolical hound of supernatural origin. Sherlock Holmes and his companion Dr. Watson investigate the case. This was the first appearance of Holmes since his apparent death in "The Final Problem", and the success of "The Hound of the Baskervilles" led to the character's eventual revival.
Document 15: Downhill (2014 film): Downhill is a British comedy film directed by James Rouse and written by Torben Betts about four old friends who reunite to walk the Coast to Coast Walk. It stars Richard Lumsden, Karl Theobald, Jeremy Swift and Ned Dennehy. It was produced by Benji Howell and is noted for its "innovative" release strategy
ground_truth: Mark Haddon