Question: who is the god of heaven in greek mythology
[{'answer': 'Aether', 'provenance': [{'wikipedia_id': '19272041', 'title': 'Uranus (mythology)', 'start_paragraph_id': 1, 'start_character': 386, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19272041', 'title': 'Uranus (mythology)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 604, 'bleu_score': 0.7997980446179811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10181084322093983239}, 'section': 'Section::::Family.:Genealogy.\n'}]}]