Question: who holds the record for most sacks in the nfl
[{'answer': 'Michael Strahan', 'provenance': [{'wikipedia_id': '37986420', 'title': 'List of National Football League annual sacks leaders', 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37986420', 'title': 'List of National Football League annual sacks leaders', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 623, 'bleu_score': 0.9825310706027971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2397828977853778873}, 'section': 'Section::::Abstract.'}]}]