Question: Gustaf Tenggren was the chief illustrator for what 1937 American animated musical fantasy film produced by Walt Disney Productions?
Sentence (from "Snow White and the Seven Dwarfs (1937 film)"): David Hand was the supervising director, while William Cottrell, Wilfred Jackson, Larry Morey, Perce Pearce, and Ben Sharpsteen directed the film's individual sequences.
Relevant evidence: No