Question: The year 1957 in film involved some significant events, with "The Bridge on the River Kwai" topping the year's box office and winning the Academy Award for what?
Sentence (from "The Bridge on the River Kwai"): The Bridge on the River Kwai is a 1957 British-American epic war film directed by David Lean and starring William Holden, Jack Hawkins, and Alec Guinness, and featuring Sessue Hayakawa.
Relevant evidence: Yes