Question: who has won the least amount of world series
[{'answer': 'Seattle Mariners', 'provenance': [{'wikipedia_id': '7599168', 'title': 'List of World Series champions', 'start_paragraph_id': 4, 'start_character': 4, 'end_paragraph_id': 4, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'San Diego Padres', 'provenance': [{'wikipedia_id': '7599168', 'title': 'List of World Series champions', 'start_paragraph_id': 4, 'start_character': 176, 'end_paragraph_id': 4, 'end_character': 192, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Montreal Expos', 'provenance': [{'wikipedia_id': '7599168', 'title': 'List of World Series champions', 'start_paragraph_id': 4, 'start_character': 60, 'end_paragraph_id': 4, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Washington Nationals ( formerly Montreal Expos )'}, {'answer': 'Texas Rangers ( formerly the 1961 -- 1971 version of the Washington Senators )'}, {'answer': 'Milwaukee Brewers ( formerly Seattle Pilots )'}, {'provenance': [{'wikipedia_id': '7599168', 'title': 'List of World Series champions', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 576, 'bleu_score': 0.873699382637329, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13647625194576000667}, 'section': 'Section::::Abstract.'}]}]