Question: who is the character rocky balboa based on
[{'answer': 'Rocky Marciano', 'provenance': [{'wikipedia_id': '4577290', 'title': 'Rocky Balboa', 'start_paragraph_id': 1, 'start_character': 566, 'end_paragraph_id': 1, 'end_character': 580, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Chuck Wepner', 'provenance': [{'wikipedia_id': '4577290', 'title': 'Rocky Balboa', 'start_paragraph_id': 1, 'start_character': 389, 'end_paragraph_id': 1, 'end_character': 401, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4577290', 'title': 'Rocky Balboa', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 580, 'bleu_score': 0.905139679888961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10468960328035267595}, 'section': 'Section::::Abstract.'}]}]