Question: last person to win triple crown in mlb
[{'answer': 'Miguel Cabrera', 'provenance': [{'wikipedia_id': '221677', 'title': 'Triple Crown (baseball)', 'start_paragraph_id': 5, 'start_character': 417, 'end_paragraph_id': 5, 'end_character': 431, 'bleu_score': 1.0, 'section': 'Section::::Batting Triple Crown.\n'}]}, {'provenance': [{'wikipedia_id': '221677', 'title': 'Triple Crown (baseball)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 512, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8237307399694449082}, 'section': 'Section::::Batting Triple Crown.\n'}]}]