Question: percentage of babies born at 24 weeks that survive
[{'answer': '50 to 70 percent', 'provenance': [{'wikipedia_id': '1467229', 'title': 'Fetal viability', 'start_paragraph_id': 8, 'start_character': 236, 'end_paragraph_id': 8, 'end_character': 252, 'bleu_score': 1.0, 'section': 'Section::::Medical viability.\n'}]}, {'provenance': [{'wikipedia_id': '1467229', 'title': 'Fetal viability', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 665, 'bleu_score': 0.8901807760414711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1092438471701553268}, 'section': 'Section::::Medical viability.\n'}]}]