Question: Lee Min-ho, a South Korean actor and singer, starred in his first leading role in film with "Gangnam Blues",  a 2015 South Korean noir action film written and directed by who?
Sentence (from "Lee Min-ho (actor, born 1987)"): He is noted for his leading roles in "City Hunter" (2011), "The Heirs" (2013) and "The Legend of the Blue Sea" (2016).
Relevant evidence: No