Question: who played oswald on the drew carey show
[{'answer': 'Diedrich Bader', 'provenance': [{'wikipedia_id': '988706', 'title': 'List of The Drew Carey Show characters', 'start_paragraph_id': 6, 'start_character': 31, 'end_paragraph_id': 6, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Main characters.\n'}]}, {'provenance': [{'wikipedia_id': '988706', 'title': 'List of The Drew Carey Show characters', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 849, 'bleu_score': 0.9864398934896761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10950077801876491441}, 'section': 'Section::::Main characters.\n'}]}]