Question: how big is ganymede compared to earth's moon
[{'answer': "1.51 times the Moon 's", 'provenance': [{'wikipedia_id': '54211', 'title': 'Ganymede (moon)', 'start_paragraph_id': 18, 'start_character': 272, 'end_paragraph_id': 18, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Physical characteristics.:Size.\n'}]}, {'provenance': [{'wikipedia_id': '54211', 'title': 'Ganymede (moon)', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 415, 'bleu_score': 0.8942108336044701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10575122464164749920}, 'section': 'Section::::Physical characteristics.:Size.\n'}]}]