Question: What is the date of death of Prince George Alexandrovich Yuryevsky's mother?
Sentence (from "Catherine Dolgorukov"): Princess Catherine Dolgorukova (14 November 1847 – 15 February 1922), also known as Catherine Dolgorukova, Dolgoruki, or Dolgorukaya, was the daughter of Prince Michael Dolgorukov and Vera Vishnevskaya.
Relevant evidence: Yes