Question: who was the greatest pool player of all time
[{'answer': 'Efren Manalang Reyes', 'provenance': [{'wikipedia_id': '435887', 'title': 'Efren Reyes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '435887', 'title': 'Efren Reyes', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3521709014110830568}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '435887', 'title': 'Efren Reyes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 779, 'bleu_score': 0.9145646760143841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3521709014110830568}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '435887', 'title': 'Efren Reyes', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Efren Manalang Reyes, (born August 26, 1954), nicknamed The Magician and , is a Filipino professional pool player. A winner of over 70 international titles , Reyes was the first player to win world championships in two different disciplines in pool. Among his numerous titles Reyes is a four-time World Eight-ball Champion, the 1999 WPA World Nine-ball Champion, a three-time US Open winner, a two-time World Pool League winner and a 14-time Derby City Classic winner including an unprecedented five Master of the Table crowns', 'Efren Manalang Reyes, (born August 26, 1954), nicknamed The Magician and , i', 'Efren Manalang Reyes, (born August 26, 1954), nicknamed The Magician and , is a Filipino professional pool player. A winner of over 70 international titles , Reyes was the first player to win world championships in two different disciplines in pool. Among his numerous titles Reyes is a four-time World Eight-ball Champion, the 1999 WPA World Nine-ball Champion, a three-time US Open winner, a two-time World Pool League winner and a 14-time Derby City Classic winner including an unprecedented five Master of the Table crowns.']}}]}]