Question: who won the superbowl in the past 10 years
[{'answer': 'New England Patriots', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 4, 'end_paragraph_id': 3, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Denver Broncos', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 493, 'end_paragraph_id': 3, 'end_character': 507, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Seattle Seahawks', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 42, 'start_character': 12, 'end_paragraph_id': 42, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Super Bowl championship (1966–present).:Consecutive appearances.\n'}]}, {'answer': 'Baltimore Ravens', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 1380, 'end_paragraph_id': 3, 'end_character': 1396, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'New York Giants', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 22, 'start_character': 175, 'end_paragraph_id': 22, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Super Bowl championship (1966–present).:Consecutive wins.\n'}]}, {'answer': 'Green Bay Packers', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 699, 'end_paragraph_id': 3, 'end_character': 716, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'New Orleans Saints'}, {'answer': 'Pittsburgh Steelers', 'provenance': [{'wikipedia_id': '2145410', 'title': 'List of Super Bowl champions', 'start_paragraph_id': 3, 'start_character': 32, 'end_paragraph_id': 3, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]