Question: when did cake by the ocean come out
[{'answer': 'September 18 , 2015', 'provenance': [{'wikipedia_id': '48396405', 'title': 'Cake by the Ocean', 'start_paragraph_id': 1, 'start_character': 84, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48396405', 'title': 'Cake by the Ocean', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 0.96188712955549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12628947146351302620}, 'section': 'Section::::Abstract.'}]}]