Given the question: Information:  - Martin M. Goldsmith (November 6, 1913  May 24, 1994) was American screenwriter and novelist who wrote several classic B-movies including "Detour" (1945), which he adapted from his 1939 novel of the same name; "Blind Spot" (1947); and "The Narrow Margin" (1952), for which he earned an Academy Award nomination.  - Narrow Margin is a 1990 crime thriller film directed by Peter Hyams and released by TriStar Pictures, loosely based on the 1952 film noir "The Narrow Margin". It tells the story of a Los Angeles deputy district attorney who attempts to keep a murder witness safe from hit men while traveling through the Canadian wilderness aboard a train. The film stars Gene Hackman and Anne Archer.  - The Narrow Margin is a 1952 American film noir directed by Richard Fleischer and written by Earl Felton, based on an unpublished story written by Martin Goldsmith and Jack Leonard. The screenplay by Earl Felton was nominated for an Academy Award.  - Martin Goldsmith ( November 6 , 1913 -- May 24 , 1994 ) wrote several classic B - movies including Detour ( 1945 ) , Blind Spot ( 1947 ) and The Narrow Margin in 1952 for which he was Oscar - nominated . Goldsmith -- at one time the brother - in - law of Anthony Quinn -- also contributed some stories to The Twilight Zone TV series in the 1950s and was related to Anthony Goldsmith .  - Richard O. Fleischer (December 8, 1916  March 25, 2006) was an American film director.    What entity does 'martin goldsmith' has the relation 'occupation' with?
The answer is:
screenwriter