Question: When is the director of film Unman, Wittering And Zigo (Film) 's birthday?
Sentence (from "Unman, Wittering and Zigo (film)"): Unman, Wittering and Zigo is a 1971 British thriller film directed by John Mackenzie and starring David Hemmings, Douglas Wilmer and Carolyn Seymour.
Relevant evidence: Yes