Generate a question that has the following answer: Sherman for the following movie plot: Michael Armstrong (Paul Newman), an esteemed American physicist and rocket scientist, is to attend a scientific conference in Copenhagen, Denmark. He takes a cruise ship to Copenhagen along with his assistant and fiancee, Sarah Sherman (Julie Andrews). Armstrong tells Sherman that he did not want her to come along, and en route to Copenhagen, he receives a radiogram to pick up a book once in Copenhagen. The book, allegedly a first-edition of one of Armstrong's book, actually contains a message that says, "Contact in case (of emergency.)" He tells Sherman he is going to Stockholm, but she discovers he is flying to East Berlin, and she follows him there. When they land, he is welcomed by representatives of the East German government, and Sherman realizes that Armstrong has defected to the other side. Sherman, however, is extremely uncomfortable with this move, realizing if the apparent defection is in fact real, given the circumstances of the Cold War of the period, she would likely never see her home or family again. They are constantly accompanied by Professor Karl Manfred (Gunter Strack), who took part in arranging Armstrong's defection to the East.Armstrong visits a contact, a 'farmer' (Mort Mills), where it is revealed that his defection is in fact a ruse to gain the confidence of the East German scientific establishment in order to learn just how much their chief scientist Gustav Lindt (Ludwig Donath) and by extension, the Soviet Union, knows about anti-missile systems. While Armstrong does not inform the U.S. government of his plan, he has made preparations to return to the West via an escape network, known as (Pi).However, Armstrong is followed to this farm by his official body man, Hermann Gromek (Wolfgang Kieling), an East German security officer assigned to him. Gromek realizes what is and that Armstrong is a double agent, and as Gromek is calling the police to report his suspicions, a tortuous and violent fight scene commences that ends with Gromek being killed. So as to not arouse the suspicion of...
The answer to this question is:
Who escapes from school?