input question: Generate a question that has the following answer: Due to a separation. She stayed in Korea, while he moved abroad for work. for the following movie plot: There are two distinct time-lines intertwined throughout most of the film. The story begins with Eun-joo moving out of a house by the sea called "Il Mare". As she is leaving, she leaves a Christmas card in the mailbox, asking the next resident to please forward her mail to her. Sung-hyun, an architectural student, receives her card, but is puzzled, since he is the first resident at "Il Mare" and the card is dated 2 years in the future. After a series of back and forth correspondences, Eun-joo and Sung-hyun realize they are living 2 years apart, Eun-joo in the year 1999 and Sung-hyun in the year 1997. After some testing, Eun-joo and Sung-hyun discover that the mailbox at "Il Mare" is enabling their communication and they can pass objects and living creatures through. Utilizing the mailbox, Eun-joo asks Sung-hyun to retrieve a tape player she lost two years ago, which he gets for her. After his estranged father, a noted architect, falls ill, Sung-hyun asks Eun-joo to obtain a book about his father, which she does. However, she succumbs to a minor traffic accident and while hospitalized, the book fails to reach Sung-hyun in time before his father's death. After reading the book, he finally accepts his father's love for him and takes up his architectural work once more. As both Eun-joo and Sung-hyun continue their correspondence, they decide to try a date together, with each person participating in his or her own time. Eun-joo "takes" Sung-hyun to an amusement park, where he follows her instructions on how to have a good time at the park. Sung-hyun "takes" her to a restaurant where she drinks a bottle of wine he left for her two years prior. Despite having a lot of fun on these solo "dates", they decide that they should try to meet in person. Eun-joo and Sung-hyun plan on meeting in person at a beach where she has always wanted to build a house, two years in Sung-hyun's future. However, when Eun-joo goes to the beach, Sung-hyun doesn't show. She does see a house being built on the beach for an unknown architect's...???
output answer: Why did Eun-joo and her fiance break up?

Generate a question that has the following answer: Billy tells them that he bought the hashish from a taxi cab driver.. for the following movie plot: On October 6, 1970, while on holiday in Istanbul, Turkey, American college student Billy Hayes straps 2kg of hashish blocks to his chest. While attempting to board a plane back to the United States with his girlfriend, Billy is arrested by Turkish police on high alert due to fear of terrorist attacks. He is strip-searched, photographed and questioned. After a while, a shadowy American (who is never named, but is nicknamed "Tex" by Billy due to his thick Texan accent) arrives, takes Billy to a police station and translates for Billy for one of the detectives. On questioning Billy tells them that he bought the hashish from a taxicab driver, and offers to help the police track him down in exchange for his release. Billy goes with the police to a nearby market and points out the cab driver, but when they go to arrest the cabbie, it becomes apparent that the police have no intention of keeping their end of the deal with Billy. He sees an opportunity and makes a run for it, only to get cornered and recaptured by the mysterious American. During his first night in holding at a local jail, a freezing-cold Billy sneaks out of his cell and steals a blanket. Later that night he is rousted from his cell and brutally beaten by chief guard Hamidou for the blanket theft. He wakes a few days later in Sagmalclar Prison, surrounded by fellow Western prisoners Jimmy (an American in for stealing two candlesticks from a mosque), Max (an English heroin addict) and Erich (a Swede) who help him to his feet. Jimmy tells Billy that the prison is a dangerous place for foreigners like themselves, and that no one can be trusted not even the young children. Billy meets with his father, a U.S representative and a Turkish lawyer to discuss what will happen to him. Billy is sent to trial for his case where the angry prosecutor makes a case against him for drug smuggling. The lead judge is sympathetic to Billy and gives him only a four-year sentence for drug possession. Billy and his father are horrified at the outcome but their...
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Answer: What did billy tells the turkish police on questioning him.?

Problem: Given the question: Generate a question that has the following answer: Chang-Seok Ko for the following movie plot: After several failed suicide attempts, Sang-Man (Tae-hyun Cha) wakes up at the hospital with the ability to see and hear four ghosts: a chain-smoking taxi driver (Chang-Seok Ko); a woman who sobs constantly (Young-nam Jang); a perverted old man (Moon-su Lee); and an elementary school boy (Bo-geun Cheon). Sang-Man wonders why the ghosts keep following him around, and after consulting with a fortune teller, agrees to help the ghosts find closure with their deaths if they agree to leave him alone. Sang-Man allows each ghost to occupy his body, allowing them to interact with the living world. Sang-Man helps the ghosts fulfill their last wishes, and in doing so, ends up helping himself find a reason to live.
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The answer is:
Who plays the role of the taxi driver?