Answer the following question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Which spirit controlls Dana's colleague Dr. Janosz Poha ? Movie plot title: Ghostbusters II Movie plot: After saving New York City from the demi-god Gozer, the Ghostbusters (Egon Spengler, Ray Stantz, Peter Venkman, and Winston Zeddemore) are sued for the property damage they caused, and barred from investigating the supernatural, forcing them out of business. Ray owns an occult bookstore and works as an unpopular children's entertainer with Winston, Egon works in a laboratory at Columbia University conducting experiments into human emotion, and Peter hosts a pseudo-psychic television show. Peter's former girlfriend Dana Barrett has had a son, Oscar, with an ex-husband, and works as a restorer at the Manhattan Museum of Art. After an incident in which Oscar's baby carriage is controlled by an unseen force and drawn to a busy junction, Dana turns to the Ghostbusters for help. Meanwhile, Dana's colleague Dr. Janosz Poha is indoctrinated by the spirit of Vigo the Carpathian, a powerful seventeenth-century tyrant and magician trapped in a painting in the gallery. Vigo orders Janosz to locate a child that Vigo can possess, allowing him to return to life on the New Year.The Ghostbusters' investigation leads them to illegally excavate First Avenue at the point where the baby carriage stopped. Lowered underneath, Ray discovers a river of pink slime filling an abandoned pneumatic transit line. Attacked by the slime after obtaining a sample, Ray accidentally causes a city-wide blackout, and the Ghostbusters are arrested. They are found guilty of investigating the supernatural, but before they can be taken away, the slime taken as evidence reacts to the judge's angry outburst and explodes, releasing two ghosts that proceed to devastate the courtroom. The Ghostbusters imprison the ghosts in exchange for the dismissal of all charges and that they be allowed to resume their Ghostbusting business.Later, the slime invades Dana's apartment and attacks her and Oscar. She seeks refuge with Peter, and the two begin to renew their relationship. Investigating the slime and Vigo's history, the Ghostbusters discover that the slime...
Answer:
The spirit of Vigo the Carpathian, a powerful seventeenth-century tyrant and magician