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?
{'answer': 'Youssef Chahine', 'supporting_facts': [['Julien Duvivier', 0], ['Youssef Chahine', 0], ['Youssef Chahine', 1]]}