Question: Archduchess Sophie of Austria's mother was, in addition to being Empress of Austria, Queen of which country?

Context paragraphs:
Archduchess Maria Carolina of Austria (1740–1741): Archduchess Maria Carolina of Austria (full German name: "Maria Carolina Ernestina Antonia Johanna Josefa"; 12 January 1740 – 25 January 1741), was the third child and daughter of Archduchess Maria Theresa of Austria, later Holy Roman Empress and Duke Francis of Lorraine.

Maria Josepha of Bavaria: Maria Josepha of Bavaria (Marie Josephe Antonie Walburga Felicitas Regula, 20 March 173928 May 1767) was Holy Roman Empress, Queen of the Romans, Archduchess of Austria, Grand Duchess of Tuscany, etc. by her marriage to Joseph II, Holy Roman Emperor.  By birth, she was a Princess and Duchess of Bavaria as the daughter of Charles VII, Holy Roman Emperor, Elector of Bavaria, and Archduchess Maria Amalia of Austria.

Elisabeth Christine of Brunswick-Wolfenbüttel: Elisabeth Christine of Brunswick-Wolfenbüttel (28 August 1691 – 21 December 1750) was Princess of Brunswick-Wolfenbüttel, Holy Roman Empress, German Queen, Queen of Bohemia and Hungary; and Archduchess of Austria by her marriage to Emperor Charles VI.  She was renowned for her delicate beauty and also for being the mother of Empress Maria Theresa.  She was the longest serving Holy Roman Empress.

Archduchess Assunta of Austria: Archduchess Assunta of Austria German: "Assunta, Erzherzogin von Österreich-Toskana" ;(10 August 1902 – 24 January 1993) was the youngest daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.  She was a member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth.  Born and raised in the twilight years of the Austrian Empire, Archduchess Assunta lived in exile in Barcelona, Spain after the fall of the Habsburg monarchy.  She entered religious life in a convent in Barcelona, but was forced to leave it in 1936 due to disturbances during the Spanish Civil War.  In 1939, she married Joseph Hopfinger, a Polish doctor.  In 1942 the couple emigrated to the United States.  Archduchess Assunta and her husband had two daughters, but they divorced in 1950.  She moved to San Antonio, Texas where she had a variety of jobs living in anonymity until her death.

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.

Archduchess Sophie of Austria: Archduchess Sophie of Austria (German: "Sophie, Erzherzogin von Österreich" ; 5 March 185529 May 1857) was the first child and first of three daughters born to the Empress Elisabeth (Sissi) and Franz Joseph, Emperor of Austria.  She died aged two.

Archduchess Margarete Sophie of Austria: Archduchess Margarete Sophie of Austria (Margarete Sophie Marie Annunciata Theresia Caroline Luise Josephe Johanna; 13 May 1870 – 24 August 1902) was a member of the House of Habsburg and an Archduchess of Austria by birth.  She was married to Duke Albrecht of Württemberg,

Archduchess Maria Antonia of Austria (1899–1977): Archduchess Maria Antonia of Austria German: "Maria Antonia, Erzherzogin von Österreich-Toskana" (13 July 1899 – 22 October 1977) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.  She was member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth.  In 1919, after the fall of the Austro Hungary Empire, she moved with her family to Spain.  In 1924 she married Ramón de Orlandis y Villalonga, a Spanish aristocrat.  When she became a widow during the Spanish civil war Archduchess Maria Antonia moved permanently to South America where she remarried.

Archduchess Maria Anna of Austria (governor): Archduchess Maria Anna Eleanor Wilhelmina Josepha of Austria (18 September 1718 in Vienna – 16 December 1744 in Brussels) was an Archduchess of Austria and a Princess of Lorraine, the younger sister of Empress Maria Theresa, and a Governor of the Austrian Netherlands.

Claudia Felicitas of Austria: Archduchess Claudia Felicitas of Austria (30 May 1653 – 8 April 1676) was by birth an Archduchess of Austria and by marriage Holy Roman Empress, German Queen, Archduchess consort of Austria, Queen consort of Hungary and Bohemia as the second wife of Leopold I.

Supporting paragraphs: Archduchess Sophie of Austria Empress Elisabeth of Austria
Answer: Hungary