Question: when was the first scooby doo show aired
[{'answer': '1969', 'provenance': [{'wikipedia_id': '37287', 'title': 'Scooby-Doo', 'start_paragraph_id': 1, 'start_character': 103, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37287', 'title': 'Scooby-Doo', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 545, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3933975714146211035}, 'section': 'Section::::Abstract.'}]}]