Question: has a player on the losing team ever won superbowl mvp
[{'answer': 'Chuck Howley', 'provenance': [{'wikipedia_id': '291253', 'title': 'Super Bowl Most Valuable Player Award', 'start_paragraph_id': 3, 'start_character': 346, 'end_paragraph_id': 3, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]