[Q]: Generate a question that has the following answer: 20,000ft for the following movie plot: The film opens with a voice over describing how the brain begins to shut down at an altitude of 20,000 feet, the human body unable to survive at such heights. A mountaineering group is shown climbing a cliff face in the snow, until an avalanche causes the rigging to break and they fall to their deaths.Alice (Graham) is a young American woman from the flat lands living in London who believes she is happy in a secure job and a relationship with her live-in boyfriend. However, after a chance encounter with a mysterious stranger (Fiennes), she seeks him out and the two end up in the backyard having fast and sensuous sex. She returns home to her boyfriend, unsuccessfully attempting to bring out the same feelings between them she had with her stranger.The following day she seeks the stranger out again, discovering his name is Adam - a mountain climber who is considered a hero after a tragic outing where one team lost their lives. She leaves her boyfriend and begins a relationship with Adam. He soon asks Alice to marry him, a proposal she happily accepts, but her newfound happiness is haunted by a series of mysterious phone calls and messages. On the day of their wedding, she receives an unmarked letter warning her against Adam. She ignores it and the two marry. Soon after she begins receiving more letters and begins to wonder about her husband's mysterious past. She becomes even more alarmed when she searches a locked wardrobe and finds a box of old letters from an ex-lover.Alice searches after several leads as to who is sending the warnings and discovers a woman from Adam's past had gone missing. She suspects he had something to do with it and eventually runs from him. She goes to police but they cannot do anything without any evidence. Alice then goes to seek for help with Adam's sister, Deborah, only to find out that she was responsible for the death of his ex-lover. It is revealed that Deborah has an incestuous past with Adam, resulting in her subsequent possessiveness. As she tries to mete the same fate out to...
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[A]: At what altitude does the brain begin to shut down?

input: Please answer the following: Generate a question that has the following answer: 609 for the following movie plot: The vengeful female ghost, Buppah, continues to inhabit apartment 609. She shares the room with her ghost boyfriend, Ake, who has been left legless by Buppah after his transgressions in the first film. A blind woman named Thip rents a neighboring apartment. She is due for an eye operation, but the doctor treating her tries to rape her. He is stopped by Rahtree who takes pity upon Thip. Meanwhile, a comic foursome of bank robbers have entered Rahtree's apartment and are using it as a hideout after robbing a bank but find themselves in trouble with Ake and Buppah. Its sequels are Rahtree Reborn and Rahtree Revenge. Buppah reborn to a girl and was raped and killed. Buppah's tutorial student Rang rents a neighboring apartment. He falls in love with the ghost. Meanwhile, a man J'Sam turns the third floor into an illegal casino. They are injured or killed by the ghost. The ghost is exorcised and reborn to another girl.
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output: What apartment does Buppah continue to inhabit?

Problem: Generate a question that has the following answer: Johnny Sirocco for the following movie plot: In 1846, in Lower Manhattan's "Five Points" district, a territorial war raging for years, between the "Natives" (comprising those born in the United States of British descent) and recently arrived Irish, Catholic immigrants, is about to come to a head in Paradise Square. The Natives are led by William "Bill the Butcher" Cutting (Daniel Day-Lewis), an American Protestant nativist, with an open hatred of recent immigrants. The leader of the immigrant Irish, the "Dead Rabbits", is Priest Vallon (Liam Neeson), who has a young son, Amsterdam (played as a child by Cian McCormack). Cutting and Vallon meet with their respective gangs in a horrific and bloody battle, concluding when Bill kills Priest Vallon, which Amsterdam witnesses. Cutting declares the Dead Rabbits outlawed and orders Vallon's body be buried with honor. Amsterdam seizes the knife that kills his father, races off and buries it. He is found and taken to the orphanage at Hellgate. Sixteen years later, Amsterdam returns to New York as a grown man (Leonardo DiCaprio) in the second year of the Civil War. It is September 1862, days after the Battle of Antietam and the announcement of the Emancipation Proclamation. Arriving in Five Points, he reunites with an old friend, Johnny Sirocco (Henry Thomas). Johnny, now a member of a clan of pickpockets and thieves, introduces Amsterdam to Bill the Butcher, for whom the group steals. Amsterdam finds many of his father's old loyalists are now under Bill's control, including Happy Jack Mulraney (John C. Reilly), now a corrupt city constable and in Bill's pocket and McGloin (Gary Lewis), now one of Bill's lieutenants. Amsterdam soon works his way into the Butcher's inner circle. Amsterdam learns that each year, on the anniversary of the Five Points battle (February 16), Bill leads the city in saluting the victory over the Dead Rabbits and he makes plans to kill the Butcher during this ceremony, in front of the entire Five Points community, to exact public revenge. Amsterdam meets Jenny Everdeane (Cameron Diaz), a...

A:
Who is Amsterdam's old friend?