TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which popular animated characters, first seen in 1996 include many different characters including ones called Ash Ketchum, Tracy Sketchit and Gar Oak?

SOLUTION: tracy

PROBLEM: What is the capital of the US state of California?

SOLUTION: california

PROBLEM: September 29, 1966 saw the introduction of what Chevrolet muscle car, still in production today, whose name supposedly means a small, vicious animal that eats Mustangs.?

SOLUTION:
chevrolet