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

[Q]: In America, as what was Bill Shoemaker famous?
[A]: bill shoemaker


[Q]: Where is the Barbary Coast?
[A]: barbary coast


[Q]: August 29, 1958 saw the birth of what moderately famous pop star, who married Lisa Marie Presley in 1994, Deborah Jeanne Rowe in 1996, and had a child with a yet unnamed surrogate mother in 2002?
[A]:
debbie rowe