Question: where is the ozone layer located in the atmosphere
[{'answer': 'the stratosphere', 'provenance': [{'wikipedia_id': '22834', 'title': 'Ozone layer', 'start_paragraph_id': 1, 'start_character': 263, 'end_paragraph_id': 1, 'end_character': 279, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22834', 'title': 'Ozone layer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 615, 'bleu_score': 0.8728199701947831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9804451645593888014}, 'section': 'Section::::Abstract.'}]}]