Question: what nfl team has the most wins in a season
[{'answer': '1972 Miami Dolphins', 'provenance': [{'wikipedia_id': '2356756', 'title': 'Perfect season', 'start_paragraph_id': 3, 'start_character': 94, 'end_paragraph_id': 3, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2356756', 'title': 'Perfect season', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 287, 'bleu_score': 0.9009388585338861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17403019977579460331}, 'section': 'Section::::American football.:National Football League.\n'}]}]