Question: Kim Hak-soon (born 1954) is a South Korean film director and screenwriter, Kim wrote and directed which naval thriller film, Northern Limit Line, a  South Korean naval thriller film written and directed by Kim Hak-soon, based on the real-life events of the Second Battle of Yeonpyeong, released in what year?
Sentence (from "Kim Hak-soon"): It drew more than 6 million viewers 29 days after its release on June 24, 2015, making it one of the top-grossing film in 2015.
Relevant evidence: No