Question: What is the name of the 2013 English-language science fiction adventure film directed by a South Korean who also co-wrote a 2017 action-adventure film with Bong and Jon Ronson which featured child actress Ahn Seo-hyun?

Related documents: [0]  [DOC] Okja is a 2017 action-adventure film directed by Bong Joon-ho and co-written by Bong and Jon Ronson. The film stars an ensemble cast headed by South Korean child actress Ahn Seo-hyun, alongside Hollywood actors Tilda Swinton, Paul Dano, Steven Yeun, Lily Collins, and Jake Gyllenhaal. [END] 
[1]  [DOC] Bong Joon Ho (, ] ; born September 14, 1969) is a South Korean film director and screenwriter. His films include South Korean hits "Memories of Murder" (2003), based on a true-life serial murder case, monster movie "The Host" (2006), and his first English-language film, science fiction adventure "Snowpiercer" (2013). His latest film is "Okja" (2017), a South Korean-American film, which competed for the "Palme d'Or" in the main competition section at the 2017 Cannes Film Festival. "Okja" was subsequently released by Netflix on June 28, 2017. [END]  
Answer: Snowpiercer
Snowpiercer