Question: who is the commissioner for health in rivers state
[{'answer': 'Princewill A. Chike', 'provenance': [{'wikipedia_id': '44779203', 'title': 'Rivers State Ministry of Health', 'start_paragraph_id': 26, 'start_character': 12, 'end_paragraph_id': 26, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::List of Commissioners.\n'}]}]