Question: who has won the most green jackets in golf
[{'answer': 'Jack Nicklaus', 'provenance': [{'wikipedia_id': '157211', 'title': 'Masters Tournament', 'start_paragraph_id': 3, 'start_character': 1004, 'end_paragraph_id': 3, 'end_character': 1017, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '157211', 'title': 'Masters Tournament', 'start_paragraph_id': 106, 'start_character': 0, 'end_paragraph_id': 106, 'end_character': 599, 'bleu_score': 0.8976949332335601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 588589545119803581}, 'section': 'Section::::Champions.\n'}]}]