Question: Benedek Fliegauf and Youssef Chahine are both directors. Which one was a winner at Cannes 50th Anniversary Award
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