Question: who performed at the super bowl in 1992
[{'answer': 'Gloria Estefan', 'provenance': [{'wikipedia_id': '1730307', 'title': 'List of Super Bowl halftime shows', 'start_paragraph_id': 2, 'start_character': 467, 'end_paragraph_id': 2, 'end_character': 481, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Brian Boitano'}, {'answer': 'Dorothy Hamill'}, {'answer': 'members of the 1980 US Olympic Hockey Team'}, {'answer': 'the University of Minnesota Marching Band'}]