Question: who designed the nigerian flag and in what year
[{'answer': 'Michael Taiwo Akinkunmi', 'provenance': [{'wikipedia_id': '459277', 'title': 'Flag of Nigeria', 'start_paragraph_id': 5, 'start_character': 52, 'end_paragraph_id': 5, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Design.\n'}]}, {'answer': '1959', 'provenance': [{'wikipedia_id': '459277', 'title': 'Flag of Nigeria', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]