Question: who was a vice president that became president
[{'answer': 'John Tyler', 'provenance': [{'wikipedia_id': '13150787', 'title': 'List of Vice Presidents of the United States', 'start_paragraph_id': 2, 'start_character': 252, 'end_paragraph_id': 2, 'end_character': 262, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13150787', 'title': 'List of Vice Presidents of the United States', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 710, 'bleu_score': 0.8072768376027321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4205067772962421204}, 'section': 'Section::::Abstract.'}]}]