Question: who has won the most snooker world championships
[{'answer': 'Joe Davis', 'provenance': [{'wikipedia_id': '315196', 'title': 'World Snooker Championship', 'start_paragraph_id': 1, 'start_character': 163, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '315196', 'title': 'World Snooker Championship', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 935, 'bleu_score': 0.935857238789301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8283712589029031349}, 'section': 'Section::::Abstract.'}]}]