Question: when did beavis and butthead first come out
[{'answer': 'March 8 , 1993', 'provenance': [{'wikipedia_id': '3427', 'title': 'Beavis and Butt-Head', 'start_paragraph_id': 1, 'start_character': 324, 'end_paragraph_id': 1, 'end_character': 340, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]