Question: who played bud on the bill cosby show
[{'answer': 'Deon Richmond', 'provenance': [{'wikipedia_id': '2409051', 'title': 'Deon Richmond', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2409051', 'title': 'Deon Richmond', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 277, 'bleu_score': 0.85769072229815, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5846341818270973203}, 'section': 'Section::::Abstract.'}]}]