Question: who is considered to be the founder of professional nursing
[{'answer': 'Florence Nightingale', 'provenance': [{'wikipedia_id': '18403271', 'title': 'Nursing', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::History.:19th century.\n'}]}, {'provenance': [{'wikipedia_id': '18403271', 'title': 'Nursing', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 435, 'bleu_score': 0.9694566079002921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1681036830376036574}, 'section': 'Section::::History.:19th century.\n'}]}]