Question: who played bub in day of the dead
[{'answer': 'Sherman Howard', 'provenance': [{'wikipedia_id': '63310', 'title': 'Day of the Dead (1985 film)', 'start_paragraph_id': 63, 'start_character': 9, 'end_paragraph_id': 63, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Release and reception.:Popular culture.\n'}]}]