Task: Explanation
Input (English): Boys Over Flowers () is a 2009 South Korean television series starring Lee Min-ho, Ku Hye-sun, Kim Hyun-joong (of SS501), Kim Bum, Kim Joon (of T-Max) and Kim So-eun. It aired on KBS2 from January 5 to March 31, 2009 on Mondays and Tuesdays at 22:00 for 25 episodes. Question: How many episodes does the South Korean television series at which Jung Eui-chul reached the peak of his career have?  Answer: 25 episodes
Output (English):  It aired on KBS2 from January 5 to March 31, 2009 on Mondays and Tuesdays at 22:00 for 25 episodes.