Question: when did sabrina the teenage witch first air
[{'answer': 'September 27 , 1996', 'provenance': [{'wikipedia_id': '2249151', 'title': 'Sabrina the Teenage Witch (1996 TV series)', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2249151', 'title': 'Sabrina the Teenage Witch (1996 TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 201, 'bleu_score': 0.9466178497997021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1777745376752067480}, 'section': 'Section::::Abstract.'}]}]