Question: who holds the record for the most 147s
[{'answer': "Ronnie O'Sullivan", 'provenance': [{'wikipedia_id': '647879', 'title': 'Maximum break', 'start_paragraph_id': 2, 'start_character': 591, 'end_paragraph_id': 2, 'end_character': 608, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]