instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What breed of dog is Marmaduke in the newspaper cartoon strip of that name?
answer:
dog


question:
Besides the Caucasus, what mountain range forms the border of Europe and Asia?
answer:
asia


question:
Featuring Steven Van Zandt, Nils Lofgren, and Patti Scialfa, what is the name of the group that backs up Bruce Springsteen?
answer:

patti scialfa