Question: first nigerian to win an olympic gold medal
[{'answer': 'Chioma Ajunwa - Opara', 'provenance': [{'wikipedia_id': '2326122', 'title': 'Chioma Ajunwa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2326122', 'title': 'Chioma Ajunwa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 536, 'bleu_score': 0.9788329837059241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13536861154812953428}, 'section': 'Section::::Abstract.'}]}]