Question: who is the governor of the central bank of nigeria
[{'answer': 'Godwin Emefiele', 'provenance': [{'wikipedia_id': '4930991', 'title': 'Central Bank of Nigeria', 'start_paragraph_id': 17, 'start_character': 4, 'end_paragraph_id': 17, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Today.\n'}]}]