Question: who played in last year's superbowl 2017
[{'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.'}]}, {'provenance': [{'wikipedia_id': '37412403', 'title': 'Super Bowl LI', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 562, 'bleu_score': 0.8664928317125711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9074793430279202772}, 'section': 'Section::::Abstract.'}]}]