Question: what was deion sanders 40 yard dash time
[{'answer': '4.27 - second'}, {'provenance': [{'wikipedia_id': '2685711', 'title': '40-yard dash', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 380, 'bleu_score': 0.6929038408411651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11838671682852659048}, 'section': 'Section::::Records.\n'}]}]