Question: how much is the tilt of the earth's axis
[{'answer': 'about 23.4 °'}, {'provenance': [{'wikipedia_id': '91173', 'title': 'Axial tilt', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 402, 'bleu_score': 0.9357502588195491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12338358116198851047}, 'section': 'Section::::Earth.\n'}]}]