Question: Yeo Jin-goo played the young version of the lead role in which 2008 South Korean erotic story? 
Sentence (from "Jackpot (2016 TV series)"): Jackpot (), also known as The Royal Gambler, is a South Korean historical drama starring Jang Keun-suk, Yeo Jin-goo, Jun Kwang-ryul, Choi Min-soo, Yoon Jin-seo and Lim Ji-yeon.
Relevant evidence: No