Question: who won the mayweather vs pacquiao fight 2015
[{'answer': 'Floyd Mayweather Jr.', 'provenance': [{'wikipedia_id': '39826001', 'title': 'Floyd Mayweather Jr. vs. Manny Pacquiao', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39826001', 'title': 'Floyd Mayweather Jr. vs. Manny Pacquiao', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 632, 'bleu_score': 0.915001303192125, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12709905013318116694}, 'section': 'Section::::Abstract.'}]}]