Question: who was the first ghanaian to become a lawyer
[{'answer': 'John Mensah Sarbah', 'provenance': [{'wikipedia_id': '33206411', 'title': 'Ghana Bar Association', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::History and membership.\n'}]}]