Question: who did mike tyson knockout in 90 seconds
[{'answer': 'Spinks', 'provenance': [{'wikipedia_id': '33177123', 'title': 'Mike Tyson vs. Michael Spinks', 'start_paragraph_id': 0, 'start_character': 23, 'end_paragraph_id': 0, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '33177123', 'title': 'Mike Tyson vs. Michael Spinks', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 1009, 'bleu_score': 0.9890406822930451, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12497523988075598937}, 'section': 'Section::::The fight.\n'}]}]