Question: In what year did the historical film drama based on the true story of Charles Horman win The Palme d'Or?
{'answer': '1982', 'supporting_facts': [['1982 Cannes Film Festival', 0], ['1982 Cannes Film Festival', 1], ['Missing (1982 film)', 0], ['Missing (1982 film)', 1], ['Missing (1982 film)', 2]]}