Question: who is the running back for the cowboys
[{'answer': 'Rod Smith', 'provenance': [{'wikipedia_id': '48461375', 'title': 'Rod Smith (running back)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48461375', 'title': 'Rod Smith (running back)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 248, 'bleu_score': 0.8723360571509821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14131812421268188397}, 'section': 'Section::::Abstract.'}]}]