Question: who won the mvp in the national championship game
[{'answer': 'Tua Tagovailoa', 'provenance': [{'wikipedia_id': '48966894', 'title': '2018 College Football Playoff National Championship', 'start_paragraph_id': 1, 'start_character': 358, 'end_paragraph_id': 1, 'end_character': 372, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "Da'Ron Payne", 'provenance': [{'wikipedia_id': '48966894', 'title': '2018 College Football Playoff National Championship', 'start_paragraph_id': 1, 'start_character': 394, 'end_paragraph_id': 1, 'end_character': 405, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]