Question: What is the date of death of the director of film The Iron Curtain (Film)?
Sentence (from "The Iron Curtain (film)"): In "Shostakovich v. Twentieth Century-Fox", Russian composer Dmitry Shostakovich unsuccessfully sued the film's distributor, Twentieth Century-Fox Film Corporation, in New York court, for using musical works of his that had fallen into the public domain.
Relevant evidence: No