Question: Which British film producer co-produced a film starring Leonardo DeCaprio as a thief?

full_context: Document 1: Paul Franklin (visual effects supervisor): Paul J. Franklin is an English visual effects supervisor who has worked with visual effects since the 1990s. He is known for his long-running working relationship with director Christopher Nolan which dates back to "Batman Begins" (2005). Franklin won the Academy Award for Best Visual Effects and the BAFTA Award for Best Special Visual Effects for "Inception" (2010), and won a second Academy Award for Best Visual Effects for "Interstellar" (2014). He shared the wins with Andrew Lockley, Peter Bebb, and Chris Corbould. Franklin has also been nominated for an Academy Award for "The Dark Knight" (2008). He was nominated for BAFTA Awards for "Batman Begins", "The Dark Knight" (2008), and "The Dark Knight Rises" (2012).
Document 2: Insomnia (2002 film): Insomnia is a 2002 American psychological thriller film directed by Christopher Nolan and starring Al Pacino, Robin Williams and Hilary Swank. It tells the story of two Los Angeles homicide detectives investigating a murder in an Alaskan town. A remake of the 1997 Norwegian film of the same name, "Insomnia" was released on May 24, 2002, and grossed $113 million worldwide. To date, this is the only film that Nolan has directed without receiving at least a share of one of the writing credits, even though he wrote the final draft of the script.
Document 3: Guy Hendrix Dyas: Guy Hendrix Dyas (born 20 August 1968) is a British production designer for feature films. He collaborated with Christopher Nolan on his science fiction thriller "Inception" which earned him an Academy Award nomination as well as a BAFTA Award for Best Production Design. In 2017, Dyas was nominated for another Academy Award, this time for his work on Passengers. In 2010, Dyas became the first British designer to win a Goya Award for Best Production Design for his work on Alejandro Amenábar's historical epic "Agora" which premiered at the 2009 Cannes Film Festival. Dyas previously received three consecutive Art Directors Guild Award nominations for his production design work on Steven Spielberg's "Indiana Jones and the Kingdom of the Crystal Skull", Shekhar Kapur's "" and "Superman Returns" for Bryan Singer. He won an ADG award in 2011 for "Inception". He also earned a BAFTA Award nomination in 2007 for Best Production Design for "Elizabeth: The Golden Age" and for four years in a row Dyas has been named by "The Sunday Times" as one of the top ten Brits working behind the camera in Hollywood.
Document 4: Cypher (film): Cypher (also known as Brainstorm), is a 2002 science fiction thriller film starring Jeremy Northam and Lucy Liu. It was written by Brian King and directed by Vincenzo Natali. Jeremy Northam plays an accountant whose hope for a career in corporate espionage takes an unexpected turn. The film was shown in limited release in theaters in the US and Australia, and released on DVD on August 2, 2005. The film received mixed reviews, and Northam received the Best Actor award at the Sitges Film Festival.
Document 5: Christopher Nolan: Christopher Edward Nolan ( ; born 30 July 1970) is an English-American film director, producer, and screenwriter. He is one of the highest-grossing directors in history, and among the most successful and acclaimed filmmakers of the 21st century.
Document 6: Christopher Nolan (disambiguation): Christopher Nolan (born 1970) is an English-American film director, writer and producer.
Document 7: Inception: Inception is a 2010 science fiction film written, co-produced, and directed by Christopher Nolan, and co-produced by Emma Thomas. The film stars Leonardo DiCaprio as a professional thief who steals information by infiltrating the subconscious, and is offered a chance to have his criminal history erased as payment for a seemingly impossible task: "inception", the implantation of another person's idea into a target's subconscious. The ensemble cast additionally includes Ken Watanabe, Joseph Gordon-Levitt, Marion Cotillard, Ellen Page, Tom Hardy, Dileep Rao, Cillian Murphy, Tom Berenger, and Michael Caine.
Document 8: Tom Hardy: (born 15 September 1977) is an English actor and producer. His motion picture debut was in Ridley Scott's 2001 action film "Black Hawk Down". Hardy's other notable films include the science fiction film "" (2002), the crime film "RocknRolla" (2008), biographical psychological drama "Bronson" (2008), sports drama "Warrior" (2011), Cold War espionage film "Tinker Tailor Soldier Spy" (2011), crime drama "Lawless" (2012), drama "Locke" (2013), mobster film "The Drop" (2014), and the biographical western thriller "The Revenant" (2015), for which he received an Academy Award nomination for Best Supporting Actor. He portrayed "Mad" Max Rockatansky in the post-apocalyptic film "" (2015), and both of the Kray twins in the crime thriller "Legend" (2015). He has appeared in three Christopher Nolan films: the science fiction thriller "Inception" (2010), the superhero film "The Dark Knight Rises" (2012), as Bane, and the action-thriller "Dunkirk" (2017), based on the British evacuation in World War II. Hardy has been cast as Eddie Brock/Venom in a live-action film adaptation of the same name, set to be released in 2018.
Document 9: The Prestige (film): The Prestige is a 2006 British-American mystery thriller film directed by Christopher Nolan, from a screenplay adapted by Nolan and his brother Jonathan from Christopher Priest's 1995 novel of the same name. Its story follows Robert Angier and Alfred Borden, rival stage magicians in London at the end of the 19th century. Obsessed with creating the best stage illusion, they engage in competitive one-upmanship with tragic results. The film stars Hugh Jackman as Robert Angier, Christian Bale as Alfred Borden, and David Bowie as Nikola Tesla. It also stars Scarlett Johansson, Michael Caine, Piper Perabo, Andy Serkis, and Rebecca Hall. The film reunites Nolan with actors Bale and Caine from "Batman Begins" and returning cinematographer Wally Pfister, production designer Nathan Crowley, film score composer David Julyan, and editor Lee Smith.
Document 10: Deborah Snyder: Deborah Snyder (née Johnson) is an American producer of feature films and television commercials. She is married to filmmaker Zack Snyder, and has worked as his frequent producing partner on films such as "Watchmen" and "300". She is the co-founder of the production company Cruel and Unusual Films.
Document 11: Emma Thomas: Emma Thomas (born 1968) is a British film producer, known for co-producing films such as "The Prestige" (2006), "Inception" (2010), the "Dark Knight trilogy" (2005–2012), "Interstellar" (2014) and "Dunkirk" (2017). She frequently collaborates with her husband, filmmaker Christopher Nolan.
Document 12: Kristin Scott Thomas: Dame Kristin Ann Scott Thomas, DBE (born 24 May 1960), is an English actress. She won the Best Supporting Actress BAFTA Award for "Four Weddings and a Funeral" (1994) and received a Best Actress Academy Award nomination for "The English Patient" (1996). For her work in the theatre, she has been nominated for the Olivier Award for Best Actress five times, winning in 2008 for the Royal Court revival of "The Seagull".
Document 13: Nora Grossman: Nora Grossman is an American film producer. She and her producing partner Ido Ostrowsky run Bristol Automotive, a production company that they founded in 2012. She produced the 2014 film "The Imitation Game", for which she was nominated for the Academy Award for Best Picture at the 87th Academy Awards.
Document 14: The Departed: The Departed is a 2006 American crime drama film directed by Martin Scorsese and written by William Monahan. It is a remake of the 2002 Hong Kong film "Infernal Affairs". The film stars Leonardo DiCaprio, Matt Damon, Jack Nicholson, and Mark Wahlberg, with Martin Sheen, Ray Winstone, Vera Farmiga, Anthony Anderson and Alec Baldwin in supporting roles.
Document 15: Thomas Wander: Thomas Wander, also credited as Thomas Wanker, is an Austrian-born composer for film and television. He was born on 19 April 1973 in Graz in Austria. In 1992, he moved to Los Angeles to study film composition at the University of Southern California. He has won the BMI Film Music Award in 2008 for his score in "10,000 BC", in 2010 for his score in the film "2012", and in 2014 for the score to "White House Down". Wander frequently collaborates with fellow composer Harald Kloser on many of his projects, and is best known for his work on the films of director Roland Emmerich.
ground_truth: Emma Thomas