Question: What is the date of death of the director of film Varsity Show (Film)?
Sentence (from "Varsity Show (film)"): Varsity Show is a 1937 American musical film directed by William Keighley from a script by Jerry Wald, Richard Macaulay, Warren Duff and Sig Herzig and starring Dick Powell, Fred Waring and Waring's Pennsylvanians, Ted Healy, and Priscilla Lane.
Relevant evidence: Yes