Question: who plays the voice of doc in cars
[{'answer': 'Paul Newman', 'provenance': [{'wikipedia_id': '5898214', 'title': 'List of Cars characters', 'start_paragraph_id': 85, 'start_character': 75, 'end_paragraph_id': 85, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Radiator Springs populace.:Doc Hudson.\n'}]}, {'provenance': [{'wikipedia_id': '5898214', 'title': 'List of Cars characters', 'start_paragraph_id': 85, 'start_character': 0, 'end_paragraph_id': 85, 'end_character': 271, 'bleu_score': 0.797692904121823, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5286836674943180083}, 'section': 'Section::::Radiator Springs populace.:Doc Hudson.\n'}]}]