Question: who has the most wins at the masters
[{'answer': 'Jack Nicklaus', 'provenance': [{'wikipedia_id': '16354524', 'title': 'List of Masters Tournament champions', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16354524', 'title': 'List of Masters Tournament champions', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 587, 'bleu_score': 0.9575690457118191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12604442956867467046}, 'section': 'Section::::Abstract.'}]}]