Question: Archduchess Sophie of Austria's mother was, in addition to being Empress of Austria, Queen of which country?
Sentence (from "Empress Elisabeth of Austria"): Duchess Elisabeth in Bavaria (24 December 1837 – 10 September 1898) was Empress of Austria and Queen of Hungary, and many others (see Grand title of the Empress of Austria) by marriage to Emperor Franz Joseph I.
Relevant evidence: Yes