Question: who is the head of state of dominica
[{'answer': 'Charles Savarin', 'provenance': [{'wikipedia_id': '451870', 'title': 'List of presidents of Dominica', 'start_paragraph_id': 2, 'start_character': 25, 'end_paragraph_id': 2, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '451870', 'title': 'List of presidents of Dominica', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 62, 'bleu_score': 0.5316967153331751, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1300083562774762737}, 'section': 'Section::::Abstract.'}]}]