Question: who are the teams in super bowl 51
[{'answer': 'New England Patriots', 'provenance': [{'wikipedia_id': '37412403', 'title': 'Super Bowl LI', 'start_paragraph_id': 1, 'start_character': 239, 'end_paragraph_id': 1, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Atlanta Falcons', 'provenance': [{'wikipedia_id': '37412403', 'title': 'Super Bowl LI', 'start_paragraph_id': 1, 'start_character': 390, 'end_paragraph_id': 1, 'end_character': 405, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]