Question: José Mário Sperry, a Brazilian heavyweight mixed martial artist, trained a retired Brazilian mixed martial artist who in submission wrestling, he holds an undefeated record of what?
{'answer': '13-0', 'supporting_facts': [['Mário Sperry', 0], ['Mário Sperry', 2], ['Ricardo Arona', 0], ['Ricardo Arona', 3], ['Ricardo Arona', 4]]}