Question: what episode of southpark does cartman sing poker face
[{'answer': "`` Whale Whores ''"}, {'provenance': [{'wikipedia_id': '24837512', 'title': 'Whale Whores', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 685, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13542900192732325792}, 'section': 'Section::::Reception.\n'}]}]