Question: who has the most world series rings as a player
[{'answer': 'Yogi Berra', 'provenance': [{'wikipedia_id': '21607397', 'title': 'World Series ring', 'start_paragraph_id': 6, 'start_character': 555, 'end_paragraph_id': 6, 'end_character': 565, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '21607397', 'title': 'World Series ring', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 387, 'bleu_score': 0.6093919388946041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13398677688796762018}, 'section': 'Section::::History.:Memorabilia.\n'}]}]