Question: who has won the most world series in baseball
[{'answer': 'New York Yankees', 'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'start_paragraph_id': 4, 'start_character': 28, 'end_paragraph_id': 4, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the New York Yankees', 'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'start_paragraph_id': 4, 'start_character': 24, 'end_paragraph_id': 4, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 509, 'bleu_score': 0.9096083227075611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10991532822466307989}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'section': "Section::::Modern World Series (1903–present).:1970s.:1972–1978: Threepeat, repeats, and Fisk's home run.\n", 'start_paragraph_id': 49, 'end_paragraph_id': 49, 'meta': {'evidence_span': ['in 1977 and 1978 (both losses to the New York Yankees), as well in 1974 losing against the cross-state rival Oakland Athletics. Game 6 of the 1975 World Series is regarded by most as one of the greatest World Series games ever played. It found the Boston Red Sox winning in the 12th inning in Fenway Park, defeating the Cincinnati Reds to force a seventh and deciding game. The game is best remembered for its exciting lead changes, nail-biting turns of events, and a game-winning walk-off home run by Carlton Fisk, resulting in a 76 Red Sox victory.', 'in 1977 and 1978 (both losses to the New York Yankees),']}}]}, {'provenance': [{'wikipedia_id': '23489161', 'title': 'World Series', 'section': 'Section::::Abstract.', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ['In the American League, the New York Yankees have played in 40 World Series and won 27, the Philadelphia/Kansas City/Oakland Athletics have played in 14 and won 9, and the Boston Red Sox have played in 13 and won 9, including the first World Series. In the National League, the St. Louis Cardinals have appeared in 19 and won 11, the New York/San Francisco Giants have played in 19 and won 8, the Brooklyn/Los Angeles Dodgers have appeared in 20 and won 6, and the Cincinnati Reds have appeared in 9 and won 5.', 'In the American League, the New York Yankees have played in 40 World Series and won 27, the Philadelphia/Kansas City/Oakland Athletics have played in 14 and won 9, and the Boston Red Sox have played in 13 and won 9, including the first World Series. In the National League, the St. Louis Cardinals have appeared in 19 and won 11, the New York/San Francisco Giants have played in 19 and won 8, the Brooklyn/Los Angeles Dodgers have appeared in 20 and won 6, and the Cincinnati Reds have appeared in 9 and won 5.']}}]}]