Question: Ock Joo-hyun participated in what musical based on a book by T.S. Eliot?
Sentence (from "Ock Joo-hyun"): After their unofficial breakup in 2002, Ock released three solo albums and has participated in musicals, namely "Aida", "Chicago", "Cats", "42nd Street", and "The Count of Monte Cristo".
Relevant evidence: Yes