Question: When was Kathryn Grayson of the 1946 American musical comedy, Ziegfeld Follies, under contract to Metro-Goldwyn-Mayer?
Sentence (from "Ziegfeld Follies"): The Ziegfeld Follies was a series of elaborate theatrical revue productions on Broadway in New York City from 1907 through 1931, with renewals in 1934 and 1936.
Relevant evidence: No