Question: For the Emperor is a film by a South Korean actor who played his first TV leading role in what 2005 sports drama? 
Sentence (from "Choi Soo-jong"): Most recently he garnered acclaim for his portrayals of the principal characters in the Korean historical dramas "Emperor of the Sea" playing the role of Jang Bogo, and as the title character Dae Joyoung in the epic series "Dae Jo Yeong (TV series)".
Relevant evidence: No