Question: Who was once considered the best kick boxer in the world, however he has been involved in a number of controversies relating to his "unsportsmanlike conducts" in the sport and crimes of violence outside of the ring.
{'answer': 'Badr Hari', 'supporting_facts': [['Global Fighting Championship', 1], ['Global Fighting Championship', 2], ['Badr Hari', 0], ['Badr Hari', 2]]}