Question: Hélio Gracie A patriarch of the Gracie family, he was the father of a UFC Hall of Famer considered by UFC fans to be the most influential figure in the history of what?
{'answer': 'modern MMA', 'supporting_facts': [['Hélio Gracie', 0], ['Hélio Gracie', 2], ['Royce Gracie', 0], ['Royce Gracie', 1]]}