Question: when did the committee of public safety start
[{'answer': 'April 1793', 'provenance': [{'wikipedia_id': '158248', 'title': 'Committee of Public Safety', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '158248', 'title': 'Committee of Public Safety', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 989, 'bleu_score': 0.9086806132381791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15855937088291920027}, 'section': 'Section::::Abstract.'}]}]