Question: who does the voice of anakin in the clone wars
[{'answer': 'Matt Lanter', 'provenance': [{'wikipedia_id': '36449046', 'title': 'List of Star Wars: The Clone Wars cast members', 'start_paragraph_id': 2, 'start_character': 43, 'end_paragraph_id': 2, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]