Question: when was the fresh prince of bel air first aired
[{'answer': 'September 10 , 1990', 'provenance': [{'wikipedia_id': '167046', 'title': 'The Fresh Prince of Bel-Air', 'start_paragraph_id': 1, 'start_character': 84, 'end_paragraph_id': 1, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '167046', 'title': 'The Fresh Prince of Bel-Air', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 500, 'bleu_score': 0.869182137681142, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13988797546794344952}, 'section': 'Section::::Abstract.'}]}]