Question: Which famous film director, French film director Julien Duvivier or Egyptian film director Youssef Chahine, won the Cannes 50th Anniversary Award for lifetime achievement?
Sentence (from "Youssef Chahine"): A critically acclaimed director frequently seen in film festivals during the earlier decades of his work, Chahine reached wider international audiences as one of the co-directors of "11'9"01 September 11".
Relevant evidence: No