Question: country in west africa its capital is abuja
[{'answer': 'Nigeria', 'provenance': [{'wikipedia_id': '56823', 'title': 'Abuja', 'start_paragraph_id': 1, 'start_character': 32, 'end_paragraph_id': 1, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '56823', 'title': 'Abuja', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 532, 'bleu_score': 0.8299654048459161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3168710798476657673}, 'section': 'Section::::Abstract.'}]}]