Question: What 2002 horror film was written and directed by the director who also worked on "Bunshinsaba"? 
Sentence (from "Nightmare (2000 film)"): It stars Kim Gyu-ri, Ha Ji-won and Choi Jung-yoon, and was directed and written by Ahn Byeong-ki, who also later directed "Phone" (2002), "Bunshinsaba" (2004) and "APT" (2006) The film was the 6th best selling film of 2000 with 322,000 admissions in Seoul after 5 weeks of screening.
Relevant evidence: No