instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which biologist was known as Darwin's Bulldog?
answer:
charles darwin


question:
Who achieved fame for his ,'Confessions Of An English Opium Eater'?
answer:
confessions of an english opium-eater


question:
Which 1980s US TV police show featured the characters Frank Furillo, Andy Renko and Mick Belker?
answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
andy renko


