Question: one revolution of earth around the sun is called a
[{'answer': 'sidereal year', 'provenance': [{'wikipedia_id': '878461', 'title': "Earth's orbit", 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '878461', 'title': "Earth's orbit", 'start_paragraph_id': 1, 'start_character': 27, 'end_paragraph_id': 1, 'end_character': 350, 'bleu_score': 0.5943941764380231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17925904453310133027}, 'section': 'Section::::Abstract.'}]}]