Question: who beat ohio state in football this season
[{'answer': 'Oklahoma', 'provenance': [{'wikipedia_id': '52201209', 'title': '2017 Ohio State Buckeyes football team', 'start_paragraph_id': 2, 'start_character': 266, 'end_paragraph_id': 2, 'end_character': 274, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Iowa', 'provenance': [{'wikipedia_id': '52201209', 'title': '2017 Ohio State Buckeyes football team', 'start_paragraph_id': 2, 'start_character': 474, 'end_paragraph_id': 2, 'end_character': 478, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]