What is the Hangul name of the 2013 film which Go Ah-sung had a major role in?
설국열차
Title: Go Ah-sung
Passage: Go Ah-sung (born 10 August 1992) is a South Korean actress.  She began her career as a child actress, notably in 2006 top-grossing blockbuster "The Host".  This was followed by major roles in "Snowpiercer" (2013), "Thread of Lies" (2014) and "Office" (2015), as well as the TV dramas "Master of Study" (2010) and "Heard It Through the Grapevine" (2015).
Title: Office (2015 South Korean film)
Passage: Office (오피스 ) is 2015 South Korean slasher-thriller film directed by Hong Won-chan and starring Go Ah-sung and Park Sung-woong.  It is about a detective trying to figure out why a mild-mannered man has killed his family and is targeting his co-workers.  The film premiered at the Midnight Screenings section of the 2015 Cannes Film Festival.
Title: Snowpiercer
Passage: Snowpiercer (Hangul: 설국열차 ; Hanja: 雪國列車 ; RR: "Seolgungnyeolcha " ) is a 2013 English-language South Korean-Czech science fiction thriller film based on the French graphic novel "Le Transperceneige" by Jacques Lob, Benjamin Legrand and Jean-Marc Rochette.  The film is directed by Bong Joon-ho, and written by Bong and Kelly Masterson.  The film marks Bong's English-language debut; approximately 80% of the film was shot in English.
Snowpiercer Go Ah-sung