Question: who wrote of principles of revolution in his catechism of the revolutionary ​
[{'answer': 'Sergey Nechayev', 'provenance': [{'wikipedia_id': '18739161', 'title': 'Catechism of a Revolutionary', 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18739161', 'title': 'Catechism of a Revolutionary', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 133, 'bleu_score': 0.9021315316859231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15195890684047317709}, 'section': 'Section::::Abstract.'}]}]