Question: who played dr zeus in planet of the apes
[{'answer': 'Maurice Evans', 'provenance': [{'wikipedia_id': '29008383', 'title': 'List of Planet of the Apes characters', 'start_paragraph_id': 173, 'start_character': 444, 'end_paragraph_id': 173, 'end_character': 457, 'bleu_score': 1.0, 'section': 'Section::::Characters exclusive to "Planet of the Apes" (1968-1973).:Dr. Zaius.\n'}]}, {'provenance': [{'wikipedia_id': '29008383', 'title': 'List of Planet of the Apes characters', 'start_paragraph_id': 173, 'start_character': 0, 'end_paragraph_id': 173, 'end_character': 726, 'bleu_score': 0.95082747459946, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4162631757643477274}, 'section': 'Section::::Characters exclusive to "Planet of the Apes" (1968-1973).:Dr. Zaius.\n'}]}]