Question: how many miles is the eye of a hurricane
[{'answer': '20 -- 40 miles'}, {'provenance': [{'wikipedia_id': '4652664', 'title': 'Eye (cyclone)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 433, 'bleu_score': 0.897030036926669, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10630723603462855450}, 'section': 'Section::::Abstract.'}]}]