Question: What former leader of the Gracie Humaitá school in Rio de Janeiro, Brazil, with the help of his father, demonstrated the Ashi-Hishigi in several medias?
{'answer': 'Royler Gracie', 'supporting_facts': [['Ashi-Hishigi', 0], ['Royler Gracie', 0], ['Royler Gracie', 1]]}