Question: at what age can you buy a rifle in texas
[{'answer': '18', 'provenance': [{'wikipedia_id': '34161699', 'title': 'Gun laws in Texas', 'start_paragraph_id': 7, 'start_character': 309, 'end_paragraph_id': 7, 'end_character': 311, 'bleu_score': 1.0, 'section': 'Section::::Firearms possession.\n'}]}, {'provenance': [{'wikipedia_id': '34161699', 'title': 'Gun laws in Texas', 'start_paragraph_id': 7, 'start_character': 191, 'end_paragraph_id': 7, 'end_character': 1396, 'bleu_score': 0.811585930979128, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16633432709937184708}, 'section': 'Section::::Firearms possession.\n'}]}]