Question: What is the date of death of the director of film 24 Heures Ou Plus?
Sentence (from "24 heures ou plus"): 24 heures ou plus (also written as 24 heures ou plus... or Vingt-quatre heures ou plus...) is a radical political documentary about Quebec society, shot in 1971 and completed by director by Gilles Groulx by mid-January 1973.
Relevant evidence: Yes