Question: when is the last time the dolphins went to the superbowl
[{'answer': 'Super Bowl XIX', 'provenance': [{'wikipedia_id': '19190', 'title': 'Miami Dolphins', 'start_paragraph_id': 3, 'start_character': 626, 'end_paragraph_id': 3, 'end_character': 640, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1984'}, {'provenance': [{'wikipedia_id': '19190', 'title': 'Miami Dolphins', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 659, 'bleu_score': 0.7985591393560301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11428488828940521989}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19190', 'title': 'Miami Dolphins', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11428488828940521989}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16023762', 'title': '1984 Miami Dolphins season', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 199, 'bleu_score': 1.0}]}]