Question: who does the voice for krusty the clown
[{'answer': 'Dan Castellaneta', 'provenance': [{'wikipedia_id': '64852', 'title': 'Krusty the Clown', 'start_paragraph_id': 1, 'start_character': 210, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]