Question: when did the bengals make it to the superbowl
[{'answer': '1981', 'provenance': [{'wikipedia_id': '6612', 'title': 'Cincinnati Bengals', 'start_paragraph_id': 9, 'start_character': 843, 'end_paragraph_id': 9, 'end_character': 847, 'bleu_score': 1.0, 'section': 'Section::::History of the Cincinnati Bengals.\n'}]}, {'answer': '1988', 'provenance': [{'wikipedia_id': '6612', 'title': 'Cincinnati Bengals', 'start_paragraph_id': 32, 'start_character': 143, 'end_paragraph_id': 32, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Contributions to NFL culture.:No-huddle offense.\n'}]}, {'provenance': [{'wikipedia_id': '6612', 'title': 'Cincinnati Bengals', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 362, 'bleu_score': 0.8687719182313811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9695405061848836010}, 'section': 'Section::::Abstract.'}]}]