Question: who played count dooku in star wars the clone wars
[{'answer': 'Corey Burton', 'provenance': [{'wikipedia_id': '62948', 'title': 'Count Dooku', 'start_paragraph_id': 1, 'start_character': 225, 'end_paragraph_id': 1, 'end_character': 237, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]