Question: who hit the fastest century in test cricket
[{'answer': 'Chris Gayle', 'provenance': [{'wikipedia_id': '1671458', 'title': 'Century (cricket)', 'start_paragraph_id': 2, 'start_character': 179, 'end_paragraph_id': 2, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1671458', 'title': 'Century (cricket)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 385, 'bleu_score': 0.9383908431221111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16754152512238408452}, 'section': 'Section::::Abstract.'}]}]