Question: who won the national championship last year college football
[{'answer': 'Alabama Crimson Tide', 'provenance': [{'wikipedia_id': '41830067', 'title': '2016 College Football Playoff National Championship', 'start_paragraph_id': 2, 'start_character': 252, 'end_paragraph_id': 2, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]