Question: In what year was Choi Dong-hoons film created that had 12.9 million viewers?
Sentence (from "Choi Dong-hoon"): He ranks as one of the most consistently successful directors working in contemporary Korean cinema, with all five of his films becoming commercial hits -- "The Big Swindle" attracted 2.12 million viewers, "" at 6.84 million, "" at 6.13 million, "The Thieves" at 12.9 million, and "Assassination" at 12.7 million.
Relevant evidence: Yes