Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: Mar Chiquita (Cordoba) is the largest natural salt lake in which South American country?

Answer: mar chiquita lake


Question: Which English king was the son of Edward, the Black Prince?

Answer: edward, the black prince


Question: What type of creature is a Dandy Dinmont?

Answer:
dandie dinmont terrier