Question: when did what do you mean come out
[{'answer': 'August 28 , 2015', 'provenance': [{'wikipedia_id': '47385748', 'title': 'What Do You Mean?', 'start_paragraph_id': 28, 'start_character': 135, 'end_paragraph_id': 28, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Music video.\n'}]}, {'provenance': [{'wikipedia_id': '47385748', 'title': 'What Do You Mean?', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 682, 'bleu_score': 0.860242439821515, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18319313963723167912}, 'section': 'Section::::Abstract.'}]}]