Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: What is the county town of Derbyshire?

Output: derbyshire


Input: Consider Input: Established in 1919, which is the world's oldest surviving airline?

Output: airline


Input: Consider Input: What type of creature is Chewbacca?


Output: chewbacca