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

[Q]: Which team lost the 2009 Superbowl to the Pittsburgh Steelers?
[A]: super bowl xliii


[Q]: In which bay is Alcatraz?
[A]: alcatraz island


[Q]: In which city was Archduke Ferdinand assassinated leading to the World War I?
[A]:
archduke franz ferdinand of austria