Question: when did the first sailor moon episode air
[{'answer': 'March 7 , 1992', 'provenance': [{'wikipedia_id': '10098576', 'title': 'List of Sailor Moon episodes (season 1)', 'start_paragraph_id': 1, 'start_character': 223, 'end_paragraph_id': 1, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10098576', 'title': 'List of Sailor Moon episodes (season 1)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 406, 'bleu_score': 0.8417709071927241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18348301214951011827}, 'section': 'Section::::Abstract.'}]}]