Question: how many us presidents were born in texas
[{'answer': 'Two', 'provenance': [{'wikipedia_id': '38282506', 'title': 'List of Presidents of the United States by home state', 'start_paragraph_id': 6, 'start_character': 12, 'end_paragraph_id': 6, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Birth places.\n'}]}, {'provenance': [{'wikipedia_id': '38282506', 'title': 'List of Presidents of the United States by home state', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 51, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2841280585797511104}, 'section': 'Section::::Birth places.\n'}]}]