Question: what kind of gun did walker texas ranger carry
[{'answer': '1847 Colt Walker', 'provenance': [{'wikipedia_id': '19467924', 'title': 'Colt Walker', 'start_paragraph_id': 3, 'start_character': 4, 'end_paragraph_id': 3, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '19467924', 'title': 'Colt Walker', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 380, 'bleu_score': 0.8495750370068681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1396210572599389461}, 'section': 'Section::::History.\n'}]}]