Question: what is the full name of the president of ghana
[{'answer': 'Nana Akufo - Addo', 'provenance': [{'wikipedia_id': '392258', 'title': 'President of Ghana', 'start_paragraph_id': 59, 'start_character': 701, 'end_paragraph_id': 59, 'end_character': 719, 'bleu_score': 1.0, 'section': 'Section::::President-elect.\n'}]}, {'provenance': [{'wikipedia_id': '392258', 'title': 'President of Ghana', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 339, 'bleu_score': 0.866627253270385, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12316335316759636122}, 'section': 'Section::::Abstract.'}]}]