Question: who is playing in the cotton bowl 2017
[{'answer': 'USC Trojans', 'provenance': [{'wikipedia_id': '54516386', 'title': '2017 Cotton Bowl Classic (December)', 'start_paragraph_id': 4, 'start_character': 57, 'end_paragraph_id': 4, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Teams.\n'}]}, {'answer': 'Ohio State Buckeyes', 'provenance': [{'wikipedia_id': '54516386', 'title': '2017 Cotton Bowl Classic (December)', 'start_paragraph_id': 4, 'start_character': 101, 'end_paragraph_id': 4, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Teams.\n'}]}]