Question: What is the date of death of the director of film The Frog Prince (1971 Film)?
Sentence (from "The Frog Prince (1971 film)"): The Frog Prince (released on home video as Tales from Muppetland: The Frog Prince) is a 1971 American/Canadian musical fantasy comedy television special directed by Jim Henson, and jointly produced by Robert Lawrence Productions and Henson Associates.
Relevant evidence: Yes