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

[Q]: Which jockey rode Red Alligator to victory in the 1968 Grand National?
[A]: red alligator


[Q]: Who was the only child vampire in Anne Rice`s novels?
[A]: anne rice


[Q]: Christmas Disease is another name for one of the forms of which hereditary genetic disorder?
[A]:
haemophilia b