Question: who is the first vice president of ghana
[{'answer': 'Mahamudu Bawumia', 'provenance': [{'wikipedia_id': '41349716', 'title': 'Vice-President of Ghana', 'start_paragraph_id': 1, 'start_character': 447, 'end_paragraph_id': 1, 'end_character': 463, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]