Question: who has won the british open the most times
[{'answer': 'Harry Vardon', 'provenance': [{'wikipedia_id': '18541861', 'title': 'List of The Open Championship champions', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18541861', 'title': 'List of The Open Championship champions', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 584, 'bleu_score': 0.8389724862598651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4821210648570609987}, 'section': 'Section::::Abstract.'}]}]