Given the question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Where does Katia live? Movie plot title: La maschera del demonio/Black Sunday Movie plot: In 1630 Russia, Princess Asa (Barbara Steele), a beautiful, dark-haired, young woman is condemned for practicing witchcraft. The grand inquisitor is none other then her estranged brother, Prince Vajda, who renounces his ties to his sister. As the executioner ties her down to the stake, Asa defiantly swears retribution by returning from the dead one day. The executioner positions a spike-lined metal mask over her face. On her brother's command, a swift hammer blow drives the mask into her skull, killing her instantly. She is then interred in the family crypt in a coffin equipped with a window, thought which the sign of the cross is visible. With the cross forever visible to her lifeless body, it is said that the witch will never return to life.200 years later, Doctors Kruvejan (Andrea Checchi) and Gorovek (John Richardson) are riding in a carriage from St. Petersburg to Moscow on their way to a medical conference. A wheel on the carriage slips out of its socket. Leaving the driver to repair the damage, the pair decide to investigate an old ruined chapel nearby, where they discover the witch's coffin in the crypt below. Kruvejan is suddenly attacked by a large bat, and when he beats it to death in his cane, he accidentally smashes the stone cross position over the window. The fragments from the cross smash the glass, enabling Kruvejan to pull away the witch's mask. Her face is sunken and decayed, but is otherwise intact. Gorovek convinces his friend to leave before the driver becomes overly anxious, but unbeknownst to both, blood from a small cut on Kruvejans hand is already working to revive Asa.Outside the chapel, the two doctors are startled by Princess Katia (Barbara Steele in a dual role), the daughter of Prince Vajda (Ivo Garrani). Gorovek is immediately smitten with her. The sad, seemingly fixed expression she wears tells of an unhappy nature, which is bourn out by her saying that the chapel is her father's property and he refuses to fix it up.The men continue their journey, stopping for the night at a...
The answer is:
Russia