Question: who did gaia and uranus gave birth to
[{'answer': 'Titans', 'provenance': [{'wikipedia_id': '19272020', 'title': 'Gaia', 'start_paragraph_id': 1, 'start_character': 359, 'end_paragraph_id': 1, 'end_character': 365, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Giants', 'provenance': [{'wikipedia_id': '19272020', 'title': 'Gaia', 'start_paragraph_id': 1, 'start_character': 424, 'end_paragraph_id': 1, 'end_character': 430, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Pontus', 'provenance': [{'wikipedia_id': '19272020', 'title': 'Gaia', 'start_paragraph_id': 1, 'start_character': 439, 'end_paragraph_id': 1, 'end_character': 445, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19272020', 'title': 'Gaia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 554, 'bleu_score': 0.8672465049030661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13870540406945170500}, 'section': 'Section::::Abstract.'}]}]