Question: who played dewey in malcolm in the middle
[{'answer': 'Erik Per Sullivan', 'provenance': [{'wikipedia_id': '896986', 'title': 'Erik Per Sullivan', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '896986', 'title': 'Erik Per Sullivan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 223, 'bleu_score': 0.8081872706402911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16424638603891578463}, 'section': 'Section::::Abstract.'}]}]