Question: who played the tin man in the wizard of oz
[{'answer': 'John Joseph Haley Jr .', 'provenance': [{'wikipedia_id': '508579', 'title': 'Jack Haley', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '508579', 'title': 'Jack Haley', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 262, 'bleu_score': 0.6769143816976141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7244843924208776823}, 'section': 'Section::::Abstract.'}]}]