Question: who is the issuing authority for nigerian passport
[{'answer': 'Nigeria Immigration Services', 'provenance': [{'wikipedia_id': '13691952', 'title': 'Nigerian passport', 'start_paragraph_id': 2, 'start_character': 77, 'end_paragraph_id': 2, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13691952', 'title': 'Nigerian passport', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 258, 'bleu_score': 0.948006874591591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14349591918124486230}, 'section': 'Section::::Abstract.'}]}]