Question: what gun does ed harris used in westworld
[{'answer': 'LeMat revolver', 'provenance': [{'wikipedia_id': '1782291', 'title': 'LeMat Revolver', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1782291', 'title': 'LeMat Revolver', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 0.9226596185977011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9896503694321135}, 'section': 'Section::::Abstract.'}]}]