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

In which Indian city is Eden Gardens, the second largest test cricket ground in the world?
eden gardens

Who was Domenikos Theotocopoulos better known as?
museum of el greco

April 25, 1939 saw DC comics introduce what major super hero, their second major, who debuted in issue 27 of Detective Comics.?
dc comics