question: When Vladimir Kashpur portrayed Baba Yaga she was one of how many sisters?
answer: trio of sisters
context: Title: Baba Yaga (film)
  Passage: Baba Yaga is a 1973 horror film directed by Corrado Farina and based on the Guido Crepax's "Valentina" comic series.  The film stars Carroll Baker, Isabelle De Funès and George Eastman.  It is about a Milanese photographer Valentina Rosselli who meets a middle-aged seductress who calls herself "Baba Yaga".  She shows an ostensible sexual interest in Valentina and gives her a doll dressed in leather fetish wear.  It is soon revealed that Baba Yaga has started to control Valentina through the doll.
  Title: Vladimir Kashpur
  Passage: Vladimir Terentyevich Kashpur (Russian: Владимир Терентьевич Кашпур ) (October 26, 1926 – October 17, 2009) was a Russian and Soviet actor.  A native of Severka, Altai Krai, Kashpur appeared in "Ballad of a Soldier" and about 115 other films, with roles ranging from Vladimir Lenin to Baba Yaga.  Kashpur was also active in the Moscow Art Theatre.
  Title: Baba Yaga
  Passage: In Slavic folklore, Baba Yaga (Russian: Баба-яга, Polish: Baba Jaga) is a supernatural being (or one of a trio of sisters of the same name) who appears as a deformed and/or ferocious-looking witch.  Baba Yaga flies around in a mortar, wields a pestle, and dwells deep in the forest in a hut usually described as standing on chicken legs (or sometimes a single chicken leg).  Baba Yaga may help or hinder those that encounter or seek her out.  She sometimes plays a maternal role, and also has associations with forest wildlife.  According to Vladimir Propp's folktale morphology, Baba Yaga commonly appears as either a donor or villain, or may be altogether ambiguous.
  Title: Georgy Millyar
  Passage: Georgy Frantsevich Millyar, sometimes spelled Milliar (Russian: Георгий Францевич Милляр ) (7 November 1903 in Moscow – 4 June 1993 in Moscow), was a Soviet/Russian actor, best known for playing evil spirits in Soviet fairy tale films, including the witch Baba Yaga in films such as "Vasilisa the Beautiful", "Jack Frost", and "Fire, Water, and Brass Pipes".
  Title: The Golden Horns
  Passage: The Golden Horns (Russian: Золотые рога), also known in English as Baba Yaga, is a 1973 Soviet adaptation of a Russian fairy tale.
citations: Vladimir Kashpur Baba Yaga