Question: who played mr. brewster on the beverly hillbillies
[{'answer': 'Frank Wilcox', 'provenance': [{'wikipedia_id': '3376', 'title': 'The Beverly Hillbillies', 'start_paragraph_id': 41, 'start_character': 27, 'end_paragraph_id': 41, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Characters.:Recurring.\n'}]}]