Question: who ran the fastest 40 yard dash in the nfl
[{'answer': 'Jakeem Grant', 'provenance': [{'wikipedia_id': '2685711', 'title': '40-yard dash', 'start_paragraph_id': 10, 'start_character': 184, 'end_paragraph_id': 10, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Records.\n'}]}, {'answer': 'John Ross'}, {'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': 2860163977191674138}, 'section': 'Section::::Records.\n'}]}, {'provenance': [{'wikipedia_id': '2685711', 'title': '40-yard dash', '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': 2860163977191674138}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2685711', 'title': '40-yard dash', 'section': 'Section::::Timing method and track comparisons.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ["For example, Jacoby Ford, who ran 4.28\xa0s in the 2010 NFL Combine, had a collegiate best of 6.51\xa0s in the 60-meter dash (outside the top-40 of the all-time lists). This highlights the difficulties in comparing track running times to football 40-yard times due to the different timing methods. Bo Jackson claimed to have run a 40-yard dash with a time of 4.13 s; a time of 4.18 run by Jackson within the same week added some support to the legitimacy of this time. Texas Tech's Jakeem Grant was hand-timed by\rhighlight sentence(s) containing evidence, not only the answer", "This highlights the difficulties in comparing track running times to football 40-yard times due to the different timing methods. Bo Jackson claimed to have run a 40-yard dash with a time of 4.13 s; a time of 4.18 run by Jackson within the same week added some support to the legitimacy of this time. Texas Tech's Jakeem Grant was hand-timed by", "For example, Jacoby Ford, who ran 4.28\xa0s in the 2010 NFL Combine, had a collegiate best of 6.51\xa0s in the 60-meter dash (outside the top-40 of the all-time lists). This highlights the difficulties in comparing track running times to football 40-yard times due to the different timing methods. Bo Jackson claimed to have run a 40-yard dash with a time of 4.13 s; a time of 4.18 run by Jackson within the same week added some support to the legitimacy of this time. Texas Tech's Jakeem Grant was hand-timed by"]}}]}, {'provenance': [{'wikipedia_id': '2685711', 'title': '40-yard dash', 'section': 'Section::::Records.\n', 'start_paragraph_id': 10, 'end_paragraph_id': 10, 'meta': {'evidence_span': ["Bo Jackson claimed to have run a 40-yard dash with a time of 4.13 s; a time of 4.18 run by Jackson within the same week added some support to the legitimacy of this time. Texas Tech's Jakeem Grant was hand-timed by a New Orleans Saints scout as running a 4.10 in 2016, potentially beating Jackson's record. In the early 1980s, Baylor's Gerald McNeil ran a 4.19-second 40-yard dash before being signed to the United States Football League (USFL). Deion Sanders ran a 4.27-second 40-yard dash in 1989.\rhighlight sentence(s) containing evidence, not only the answer", "Texas Tech's Jakeem Grant was hand-timed by a New Orleans Saints scout as running a 4.10 in 2016, potentially beating Jackson's record. In the early 1980s, Baylor's Gerald McNeil ran a 4.19-second 40-yard dash before being signed to the United States Football League (USFL)", "Bo Jackson claimed to have run a 40-yard dash with a time of 4.13 s; a time of 4.18 run by Jackson within the same week added some support to the legitimacy of this time. Texas Tech's Jakeem Grant was hand-timed by a New Orleans Saints scout as running a 4.10 in 2016, potentially beating Jackson's record. In the early 1980s, Baylor's Gerald McNeil ran a 4.19-second 40-yard dash before being signed to the United States Football League (USFL). Deion Sanders ran a 4.27-second 40-yard dash in 1989."]}}]}]