Question: who did carolina lose to in the super bowl
[{'answer': 'New England Patriots'}, {'answer': 'Denver Broncos'}, {'provenance': [{'wikipedia_id': '42968661', 'title': 'Super Bowl 50', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'start_character': 127, 'end_paragraph_id': 1, 'end_character': 274, 'bleu_score': 0.667278568794606}]}]