Question: who played the voice of kitt in knight rider
[{'answer': 'William David Daniels', 'provenance': [{'wikipedia_id': '657587', 'title': 'William Daniels', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]