Question: who plays johnny lawrence in the karate kid
[{'answer': 'William Michael Zabka'}, {'provenance': [{'wikipedia_id': '755898', 'title': 'William Zabka', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 380, 'bleu_score': 0.7211284930196341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9986056241294539777}, 'section': 'Section::::Abstract.'}]}]