question: Which film has the director who is older than the other, The Secret Witness or Mentioned In Confidence? 
context: [["Edgar Jones (actor)", ["Edgar Jones( June 17, 1874 \u2013 February 7, 1958) also known as Ed Jones and as\" Pardner\" Jones, was an American actor, producer, and director of films.", "He starred in and directed the adaptation of Mildred Mason's\" The Gold in the Crock\".", "He also starred in and directed Siegmund Lubin films including\" Fitzhugh's Ride\".", "He established a film production business in Augusta, Maine that produced adaptations of Holman Day novels."]], ["Dan Milne", ["Dan Milne is a British actor/ director who is possibly best known for his role in\" EastEnders\"."]], ["Elliot Silverstein", ["Elliot Silverstein( born August 3, 1927, in Boston, Massachusetts) is an American director, who is best known for being the director of the movie\" Cat Ballou\"( 1965)."]], ["The Secret Witness", ["The Secret Witness is a 1931 American pre-Code drama film, directed by Thornton Freeland and starring Una Merkel, William Collier Jr. and Zasu Pitts.", "It is an adaptation of the novel\" Murder in the Gilded Cage\" by Sam Spewack.", "The screenplay concerns a man who is found murdered in his luxury apartment.", "His neighbors believe that the wrong man has been arrested and set out to solve the crime."]], ["Ben Palmer", ["Ben Palmer is a British film and television director who is known for being the director of\" Bo' Selecta\" and\" The Inbetweeners\"."]], ["The Secret Service Agent's Memories", ["The secret service agent's memories is a Russian historical film and TV series based on the novel by Oleg Ryaskov, who is also the director."]], ["Scotty Fox", ["Scott Fox is a pornographic film director who is a member of the AVN Hall of Fame."]], ["Mentioned in Confidence", ["Mentioned in Confidence is a 1917 silent film drama directed by Edgar Jones and produced by the Balboa Film Producing Company.", "The film survives in the Library of Congress collection."]], ["Frank J. Marshall (engineer)", ["Frank J. Marshall is a private investor and a member of the Silicon Valley Advisory Council.", "He holds a B.S. in electrical engineering from Carnegie Mellon.", "Marshall has been written about or mentioned in various executive profiles, news stories, and IEEE papers."]], ["Thornton Freeland", ["Thornton Freeland( February 10, 1898 \u2013 May 22, 1987) was an American film director who directed 26 British and American films in a career that lasted from 1924 to 1949."]]]
supporting_facts: [["The Secret Witness", 0], ["Mentioned in Confidence", 0], ["Thornton Freeland", 0], ["Edgar Jones (actor)", 0]]
evidences: [["The Secret Witness", "director", "Thornton Freeland"], ["Mentioned in Confidence", "director", "Edgar Jones"], ["Thornton Freeland", "date of birth", "February 10, 1898"], ["Edgar Jones (actor)", "date of birth", "June 17, 1874"]]
answer: Mentioned In Confidence