Question: who won the american league east in 2017
[{'answer': 'Houston Astros', 'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 99, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'The Yankees', 'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', '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': 13650092432611643230}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 353, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13650092432611643230}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 433, 'bleu_score': 0.9304844600065421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13650092432611643230}, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '53770152', 'title': '2017 American League Championship Series', 'section': 'Section::::Background.\n', 'start_paragraph_id': 7, 'end_paragraph_id': 7, 'meta': {'evidence_span': ["The Yankees upset the heavily-favored Cleveland Indians 32 in the ALDS to advance. This is the Yankees' 16th appearance in the ALCS, and their second as a Wild Card. Their last ALCS appearance came in the 2012 American League Championship Series where they got swept by the Detroit Tigers. They had won in eleven of their previous fifteen appearances.", "he Yankees upset the heavily-favored Cleveland Indians 32 in the ALDS to advance. This is the Yankees' 16th appearance in the ALCS, and their second as a Wild Card.", "The Yankees upset the heavily-favored Cleveland Indians 32 in the ALDS to advance. This is the Yankees' 16th appearance in the ALCS, and their second as a Wild Card. Their last ALCS appearance came in the 2012 American League Championship Series where they got swept by the Detroit Tigers. They had won in eleven of their previous fifteen appearances. This is the sixth straight year in which an AL East team has made it to the ALCS."]}}]}]