Question: when was the last time the patriots won a superbowl
[{'answer': '2016', 'provenance': [{'wikipedia_id': '21719', 'title': 'New England Patriots', 'start_paragraph_id': 12, 'start_character': 353, 'end_paragraph_id': 12, 'end_character': 357, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.\n'}]}]