Question: when did save rock and roll come out
[{'answer': 'April 12 , 2013', 'provenance': [{'wikipedia_id': '38419944', 'title': 'Save Rock and Roll', 'start_paragraph_id': 1, 'start_character': 126, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]