Question: who did alabama play in the national championship 2015
[{'answer': 'Clemson Tigers', 'provenance': [{'wikipedia_id': '41830067', 'title': '2016 College Football Playoff National Championship', 'start_paragraph_id': 2, 'start_character': 117, 'end_paragraph_id': 2, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41830067', 'title': '2016 College Football Playoff National Championship', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 375, 'bleu_score': 0.8345723368173741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 724487996571706983}, 'section': 'Section::::Abstract.'}]}]