Question: who is the main character in cinderella man
[{'answer': 'James J. Braddock', 'provenance': [{'wikipedia_id': '1424754', 'title': 'Cinderella Man', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1424754', 'title': 'Cinderella Man', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 373, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4609377834734117180}, 'section': 'Section::::Abstract.'}]}]