Question: when did elvis presley record blue suede shoes
[{'answer': '1956', 'provenance': [{'wikipedia_id': '898419', 'title': 'Blue Suede Shoes', 'start_paragraph_id': 9, 'start_character': 63, 'end_paragraph_id': 9, 'end_character': 67, 'bleu_score': 1.0, 'section': "Section::::Success of Perkins' Sun Records release.\n"}]}]