Question: when did coco pops come out in the uk
[{'answer': '1961', 'provenance': [{'wikipedia_id': '1788405', 'title': 'Cocoa Krispies', 'start_paragraph_id': 5, 'start_character': 56, 'end_paragraph_id': 5, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Other markets.\n'}]}, {'provenance': [{'wikipedia_id': '1788405', 'title': 'Cocoa Krispies', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 464, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8719709660004327544}, 'section': 'Section::::Other markets.\n'}]}]