Question: who is the father of accounting when and what did he describe
[{'answer': 'Fra Luca Bartolomeo de Pacioli', 'provenance': [{'wikipedia_id': '18473', 'title': 'Luca Pacioli', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18473', 'title': 'Luca Pacioli', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 499, 'bleu_score': 0.903859127000134, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7494566032099926424}, 'section': 'Section::::Abstract.'}]}]