Question: what is the mortality rate for c sections
[{'answer': '13 per 100,000', 'provenance': [{'wikipedia_id': '46924', 'title': 'Caesarean section', 'start_paragraph_id': 39, 'start_character': 71, 'end_paragraph_id': 39, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Risks.:Mother.\n'}]}, {'provenance': [{'wikipedia_id': '46924', 'title': 'Caesarean section', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 353, 'bleu_score': 0.7191102934607151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12433227070863303798}, 'section': 'Section::::Risks.:Mother.\n'}]}]