Question: What nationality is the director of film Quick, Before It Melts?
Sentence (from "Quick, Before It Melts"): Quick, Before It Melts is a 1964 Panavision and Metrocolor comedy film directed by Delbert Mann, written by Dale Wasserman, starring Robert Morse, George Maharis, and Anjanette Comer and released by Metro-Goldwyn-Mayer.
Relevant evidence: Yes