Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
One example is below.
Q: Who was the first American President?
A: president of the united states
Rationale: The question talks about the president of the USA.
Q: July 16, 1917 saw the death of what leader, Emperor of Russia, Grand Prince of Finland, and titular King of Poland, and his children Olga, Tatiana, Maria, Anastasia, and Alexei?
A:
grand duchess tatiana nikolaevna of russia