Question: normal range for nuchal fold at 12 weeks
[{'answer': '2.18 mm', 'provenance': [{'wikipedia_id': '5907177', 'title': 'Nuchal scan', 'start_paragraph_id': 24, 'start_character': 382, 'end_paragraph_id': 24, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Accuracy.\n'}]}, {'provenance': [{'wikipedia_id': '5907177', 'title': 'Nuchal scan', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 867, 'bleu_score': 0.9858648355536391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2157461329696093024}, 'section': 'Section::::Accuracy.\n'}]}]