Question: what is the number of moons on uranus
[{'answer': '27 known', 'provenance': [{'wikipedia_id': '818377', 'title': 'Moons of Uranus', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '818377', 'title': 'Moons of Uranus', 'start_paragraph_id': 1, 'start_character': 6, 'end_paragraph_id': 1, 'end_character': 1007, 'bleu_score': 0.924589202699668, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3633598045571891203}, 'section': 'Section::::Abstract.'}]}]