Question: who directed the american war film that that QED International is known for producing ans financing ?
Context: Fury is a 2014 American war film written and directed by David Ayer, and stars Brad Pitt, Shia LaBeouf, Logan Lerman, Michael Peña, Jon Bernthal and Jason Isaacs.  The film portrays US tank crews in Nazi Germany during the final days of World War II.  Ayer was influenced by the service of veterans in his family and by reading books, such as Belton Y. Cooper's "Death Traps", about American armored units in World War II and the high casualty rates suffered by tank crews in Europe. International Squadron (aka Flight Patrol) is a 1941 American war film directed by Lewis Seiler and Lothar Mendes that starred Ronald Reagan, Olympe Bradna and in his final film, James Stephenson.  The film is based on the Eagle Squadrons, American pilots who volunteered to fly for the Royal Air Force during World War II.  "International Squadron" featured noted Hollywood pilot Paul Mantz who acted as the film's aerial coordinator and flew during the production. Behind Enemy Lines is a 2001 American war film directed by John Moore in his directorial debut, and starring Owen Wilson and Gene Hackman.  The film tells the story of Lieutenant Chris Burnett, an American naval flight officer who is shot down over Bosnia and uncovers genocide during the Bosnian War.  Meanwhile, his commanding officer is struggling to gain approval to launch a combat search and rescue mission to save Burnett.  The plot is loosely based on the 1995 Mrkonjić Grad incident that occurred during the war. 7 Years (French: "7 ans" ) is a 2006 French drama film starring Bruno Todeschini, Valerie Donzelli and Cyril Troley.  It is written and directed by Jean-Pascal Hattu.  The film explores the sexual tension between a wife and a husband serving a long jail sentence.  Valerie Donzelli's performance in the film won her awards at the Seattle International Film Festival and at the Valencia Festival of Mediterranean Cinema QED International is an American-based film production studio, financier and international distributor, best known for financing and producing 2014 films "Sabotage" and "Fury". For Whom the Bell Tolls is a 1943 American war film produced and directed by Sam Wood and starring Gary Cooper, Ingrid Bergman, Akim Tamiroff, and Joseph Calleia.  The screenwriter Dudley Nichols based his script on the 1940 novel "For Whom the Bell Tolls" by American novelist Ernest Hemingway.  The film is about an American International Brigades volunteer, Robert Jordan (Cooper), who is fighting in the Spanish Civil War against the fascists.  During his desperate mission to blow up a strategically important bridge to protect Republican forces, Jordan falls in love with a young woman guerrilla fighter (Bergman). Bold Films is an American independent film production and finance company.  Bold was founded in 2004 with the mission of producing talent-driven, studio-quality films, which have worldwide commercial appeal.  Bold's first three films were "Slingshot", "Come Early Morning" and "Mini's First Time".  In 2006 the company had its first hit, producing and financing the Golden Globe-nominated period piece "Bobby", written and directed by Emilio Estevez.  In 2009 Bold produced and released Joe Dante's 3D thriller "The Hole", which Roger Ebert called the best use of 3D ever.  In 2010 Bold had its first major studio film "Legion", which was co-financed and released by Screen Gems, a division of Sony Pictures Entertainment.  In 2011 Bold co-produced and co-financed with OddLot Entertainment the critically acclaimed "Drive" starring Ryan Gosling and Carey Mulligan, for which director Nicolas Winding Refn won the Best Director Award at the Cannes Film Festival while also receiving accolades from the BAFTA Awards, The Golden Globes and Academy Awards.  In 2014 the company garnered worldwide recognition for producing and financing the critically acclaimed films "Nightcrawler" starring Jake Gyllenhaal, and "Whiplash" with Blumhouse Productions, which received five Academy Award nominations, including Best Picture.  Other awards nominations for the film include the Spirit Awards, PGA Awards, SAG Awards, and WGA Awards. Hold Back the Night is a 1956 American war film about the Korean War based on the 1951 novel by Pat Frank, who had been a war correspondent in Korea.  The film was directed by Allan Dwan; his third film with John Payne and his third film about the United States Marine Corps.  The earlier films about the Marine Corps were "Abroad with Two Yanks" (1944) and "Sands of Iwo Jima" (1949). A Message to Garcia is a 1936 American war film directed by George Marshall and starring Wallace Beery and Barbara Stanwyck, John Boles and Alan Hale, Sr..  The film is inspired by the 1899 essay "A Message to Garcia" by Elbert Hubbard, loosely based on an incident during the Spanish–American War.  The essay had previously been made into a 1916 silent film "A Message to Garcia".  Agent Rowan carries a message from President McKinley to General Garcia the leader of a rebellion against Spanish rule on the island of Cuba during the time of the Spanish–American War. Wild Life (French: Vie sauvage ) is a 2014 French-Belgian drama film directed by Cédric Kahn and adapted from the 2010 book "Hors système, onze ans sous l'étoile de la liberté" by Xavier Fortin, Okwari Fortin, Shahi'Yena Fortin and Laurence Vidal.  The film won the Special Jury Prize at the 62nd San Sebastián International Film Festival.  In January 2015, the film received three nominations at the 20th Lumières Awards.
Answer: David Ayer