Question: who is the first fastest runner in the world
[{'answer': 'Usain St Leo Bolt', 'provenance': [{'wikipedia_id': '4764846', 'title': 'Usain Bolt', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]