Question: who played bud in sons of katie elder
[{'answer': 'Michael Anderson , Jr .'}, {'provenance': [{'wikipedia_id': '5718787', 'title': 'The Sons of Katie Elder', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 499, 'bleu_score': 0.9437815816129681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13754677824537820613}, 'section': 'Section::::Plot.\n'}]}]