Question: Which film has the director died first, Edge Of Doom or A Mother'S Secret?

Knowledge 1: Douglas Gerrard
Douglas Gerrard( 12 August 1891 – 5 June 1950) was an Irish- American actor and film director of the silent and early sound era.He appeared in 116 films between 1913 and 1949.He also directed 23 films between 1916 and 1920.He was born in Dublin, Ireland and died in Hollywood, California.He was the brother of actor Charles K. Gerrard. [SEP] Knowledge 2: A Mother's Secret
__NOEDITSECTION __A Mother's Secret is a 1918 American silent drama film directed by Douglas Gerrard and written by Lois Zellner.The film stars Ella Hall and Emory Johnson.The film was released on April 29, 1918, by Universal. [SEP] Knowledge 3: Edge of Doom
Edge of Doom is a 1950 black- and- white film noir directed by Mark Robson and starring Dana Andrews, Farley Granger, and Joan Evans. [SEP] Knowledge 4: Mark Robson (film director)
Mark Robson (4 December 1913 – 20 June 1978) was a Canadian-born film director, producer, and editor.Robson began his 45-year career in Hollywood as a film editor.He later began working as a director and producer.He directed thirty-four films during his career, including "The Bridges at Toko-Ri" (1955), "Peyton Place" (1957), for which he earned his first Oscar nomination, "Von Ryan's Express" (1965), and "Valley of the Dolls" (1967).Robson died of a heart attack after shooting his final film, "Avalanche Express", in 1978.The film was released a year after his death.
Knowledge 1: Edge of Doom
Edge of Doom is a 1950 black- and- white film noir directed by Mark Robson and starring Dana Andrews, Farley Granger, and Joan Evans. [SEP] Knowledge 2: A Mother's Secret
__NOEDITSECTION __A Mother's Secret is a 1918 American silent drama film directed by Douglas Gerrard and written by Lois Zellner.The film stars Ella Hall and Emory Johnson.The film was released on April 29, 1918, by Universal. [SEP] Knowledge 3: Douglas Gerrard
Douglas Gerrard( 12 August 1891 – 5 June 1950) was an Irish- American actor and film director of the silent and early sound era.He appeared in 116 films between 1913 and 1949.He also directed 23 films between 1916 and 1920.He was born in Dublin, Ireland and died in Hollywood, California.He was the brother of actor Charles K. Gerrard. [SEP] Knowledge 4: Mark Robson (film director)
Mark Robson (4 December 1913 – 20 June 1978) was a Canadian-born film director, producer, and editor.Robson began his 45-year career in Hollywood as a film editor.He later began working as a director and producer.He directed thirty-four films during his career, including "The Bridges at Toko-Ri" (1955), "Peyton Place" (1957), for which he earned his first Oscar nomination, "Von Ryan's Express" (1965), and "Valley of the Dolls" (1967).Robson died of a heart attack after shooting his final film, "Avalanche Express", in 1978.The film was released a year after his death.
Knowledge 1: A Mother's Secret
__NOEDITSECTION __A Mother's Secret is a 1918 American silent drama film directed by Douglas Gerrard and written by Lois Zellner.The film stars Ella Hall and Emory Johnson.The film was released on April 29, 1918, by Universal. [SEP] Knowledge 2: Mark Robson (film director)
Mark Robson (4 December 1913 – 20 June 1978) was a Canadian-born film director, producer, and editor.Robson began his 45-year career in Hollywood as a film editor.He later began working as a director and producer.He directed thirty-four films during his career, including "The Bridges at Toko-Ri" (1955), "Peyton Place" (1957), for which he earned his first Oscar nomination, "Von Ryan's Express" (1965), and "Valley of the Dolls" (1967).Robson died of a heart attack after shooting his final film, "Avalanche Express", in 1978.The film was released a year after his death. [SEP] Knowledge 3: Edge of Doom
Edge of Doom is a 1950 black- and- white film noir directed by Mark Robson and starring Dana Andrews, Farley Granger, and Joan Evans. [SEP] Knowledge 4: A Family Secret
A Family Secret is a 2006 Canadian comedy- drama film.The French language title for the film is" Le Secret de ma mère My Mother's Secret").

Answer: A Mother'S Secret