Question: how long is earth's rotation on its axis
[{'answer': 'about 24', 'provenance': [{'wikipedia_id': '4396171', 'title': "Earth's rotation", 'start_paragraph_id': 3, 'start_character': 22, 'end_paragraph_id': 3, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4396171', 'title': "Earth's rotation", 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 603, 'bleu_score': 0.925800253895223, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4664924944497467325}, 'section': 'Section::::Abstract.'}]}]