Question: who composed the first national anthem of nigeria
[{'answer': 'Frances Berda', 'provenance': [{'wikipedia_id': '39901366', 'title': 'Nigeria, We Hail Thee', 'start_paragraph_id': 3, 'start_character': 223, 'end_paragraph_id': 3, 'end_character': 236, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Lillian Jean Williams', 'provenance': [{'wikipedia_id': '39901366', 'title': 'Nigeria, We Hail Thee', 'start_paragraph_id': 3, 'start_character': 127, 'end_paragraph_id': 3, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '39901366', 'title': 'Nigeria, We Hail Thee', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 282, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 213037214703488271}, 'section': 'Section::::History.\n'}]}]