Question: Raging Bull is a 1980 American biographical black-and-white sports drama film directed by Martin Scorsese, also featured in the film are Joe Pesci as Giuseppe "Joey" LaMotta, was the younger brother and one time manager of former world middleweight boxing champion, who?
{'answer': 'Jake LaMotta', 'supporting_facts': [['Raging Bull', 2], ['Joey LaMotta', 0]]}