Question: who has more power an earl or a duke
[{'answer': 'Duke', 'provenance': [{'wikipedia_id': '409902', 'title': 'Peerage of England', 'start_paragraph_id': 3, 'start_character': 59, 'end_paragraph_id': 3, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '409902', 'title': 'Peerage of England', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 392, 'bleu_score': 0.909992945383792, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6661076226801148099}, 'section': 'Section::::Abstract.'}]}]