Question: who made twerking a global phenomenon in august
[{'answer': 'Miley Cyrus', 'provenance': [{'wikipedia_id': '37980517', 'title': 'Twerking', 'start_paragraph_id': 7, 'start_character': 66, 'end_paragraph_id': 7, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '37980517', 'title': 'Twerking', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 676, 'bleu_score': 0.8722029193067341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13990919353744046556}, 'section': 'Section::::Background.\n'}]}]