Question: who sings the song save a horse ride a cowboy
[{'answer': 'Big & Rich', 'provenance': [{'wikipedia_id': '1263187', 'title': 'Save a Horse (Ride a Cowboy)', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1263187', 'title': 'Save a Horse (Ride a Cowboy)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 468, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12746952015753700221}, 'section': 'Section::::Abstract.'}]}]