Question: when did the peanut buster parfait come out
[{'answer': '1971', 'provenance': [{'wikipedia_id': '379723', 'title': 'Dairy Queen', 'start_paragraph_id': 34, 'start_character': 505, 'end_paragraph_id': 34, 'end_character': 509, 'bleu_score': 1.0, 'section': 'Section::::Products.\n'}]}, {'provenance': [{'wikipedia_id': '379723', 'title': 'Dairy Queen', 'start_paragraph_id': 34, 'start_character': 168, 'end_paragraph_id': 34, 'end_character': 900, 'bleu_score': 0.813867399394616, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9823633905701071312}, 'section': 'Section::::Products.\n'}]}]