Question: who hold the world record in 100m sprint
[{'answer': 'Usain Bolt', 'provenance': [{'wikipedia_id': '1231316', 'title': '100 metres', 'start_paragraph_id': 2, 'start_character': 212, 'end_paragraph_id': 2, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1231316', 'title': '100 metres', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 364, 'bleu_score': 0.926213874530832, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4845537655606569005}, 'section': 'Section::::Abstract.'}]}]