Question: when did the cartoon scooby doo come out
[{'answer': 'September 13 , 1969', 'provenance': [{'wikipedia_id': '37287', 'title': 'Scooby-Doo', 'start_paragraph_id': 16, 'start_character': 115, 'end_paragraph_id': 16, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Original television series run.:CBS years (1969–76).:"Scooby-Doo, Where Are You!".\n'}]}, {'provenance': [{'wikipedia_id': '37287', 'title': 'Scooby-Doo', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 745, 'bleu_score': 0.909874585811102, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3648269414059450108}, 'section': 'Section::::Original television series run.:CBS years (1969–76).:"Scooby-Doo, Where Are You!".\n'}]}]