Question: What is the name of the 1971 American musical fantasy film directed by Mel Stuart, an adaptation of a 1964 novel whose music was sampled in a 2007 album by Caspa and Rusko called FabricLive.37?
Sentence (from "Willy Wonka &amp; the Chocolate Factory"): Dahl was credited with writing the film's screenplay; however, David Seltzer, who went uncredited in the film, was brought in to re-work Dahl's screenplay against his wishes, making major changes to the ending and adding musical numbers.
Relevant evidence: No