question: Where did Carl Von Fersen's wife die?
context: [["Carl von Fersen", ["Count Carl von Fersen (1716-1786), was a Swedish courtier.", "He was an amateur singer and a leading member of the amateur theater of king Gustav III of Sweden.", "He was also the director of the Royal Swedish Opera in 1780-86, and a member of the Royal Swedish Academy of Music (1772).", "He was the son of Hans Reinhold von Fersen and Eleonora Margareta Wachtmeister and the brother of Axel von Fersen the Elder, and thus the uncle of Axel von Fersen the Younger.", "He married Charlotta Sparre and became the father of five daughters, notably Augusta L\u00f6wenhielm and Ulla von H\u00f6pken.", "Carl von Fersen spent most of his life at the royal court, where he was an appreciated participator of social life."]], ["Fabian von Fersen (1762\u20131818)", ["Count Fabian Reinhold von Fersen( 7 October 1762, Stockholm \u2013 10 March 1818, Stockholm) was a Swedish count, politician, officer and courtier.", "He was the son of Axel von Fersen the Elder and Hedvig Catharina De la Gardie and the brother of Count Axel von Fersen the Younger, Hedvig Eleonora von Fersen and Sophie Piper."]], ["James L. Larson", ["James L. Larson is an historian and Professor Emeritus at the University of California, Berkeley.", "Larson earned the PhD at Berkeley with a dissertation entitled, Speculation and experience: an inquiry into systematic description in the work of Carl von Linne.\"", "Larson is known for his work on the\" early modern understandings of the natural and scientific world, and in particular, the work of Carl Linnaeus."]], ["Charlotta Sparre", ["Charlotta \"Lotta\" Fredrika Sparre (1719 \u2013 20 December 1795, Stockholm), commonly named Lotta Sparre, was a Swedish noble and courtier."]], ["Carl von Wendt", ["Carl von Wendt( born March 7, 1953) is a Swedish curler.", "He is a."]], ["Hedda von Fersen", ["Hedvig\" Hedda\" Eleonora von Fersen( 2 July 1753 \u2013 8 November 1792, Pisa) was a Swedish noble, lady in waiting to the Swedish queen, Sophia Magdalena of Denmark.", "She was the daughter of Axel von Fersen the Elder and Hedvig Catharina De la Gardie and the sister of Count Axel von Fersen the Younger, Sophie Piper and Fabian von Fersen( 1762 \u2013 1818).", "In 1773, she married marshal Count Thure Leonard Klinckowstr\u00f6m in his second marriage, and with him had four children, among them the artist Hedvig Amalia Charlotta Klinckowstr\u00f6m and Axel Leonhard Klinckowstr\u00f6m, member of the Royal Swedish Academy of War Sciences and la Soci\u00e9t\u00e9 pour l'encouragement de l'industrie nationale."]], ["Sophie Piper", ["Eva Sophie Piper, n\u00e9e Eva Sophie von Fersen( 30 March 1757 \u2013 2 February 1816, L\u00f6fstad Slott), was a Swedish countess and lady in waiting.", "She was the daughter of count Axel von Fersen the Elder and Hedvig Catharina von Fersen and the sister of Axel von Fersen the Younger, Hedvig Eleonora von Fersen and Fabian von Fersen( 1762 \u2013 1818).", "She is foremost known for her close friendship with Queen Hedvig Elizabeth Charlotte, who dedicated her famous diary to her."]], ["Elisabeth Christina von Linn\u00e9", ["Elisabeth Christina von Linn\u00e9( 1743\u2013 1782), was a Swedish botanist, daughter of Carl von Linn\u00e9 and Sara Elisabeth Mor\u00e6a."]], ["Otto Wilhelm von Fersen", ["Otto Wilhelm von Fersen( 1623, Reval \u2013 1703, Kurna) was a Swedish general and nobleman of the Fersen family, governor general of Ingmermanland and Kexholm from 1691 to 1698, field marshal 1693.", "He was the son of Hermann von Fersen the elder and cousin to Fabian von Fersen.", "After his death he was buried in St Mary's Cathedral, Tallinn, where a sarcophagus, probably created by the sculptor Johann Gustav Stockenberg, was erected in his memory."]], ["Louise von Fersen", ["Lovisa Sofia Louise\" Sophie\" von Fersen, n\u00e9e Piper (26 October 1777 \u2013 4 January 1849), was a Swedish countess and courtier.", "Louise von Fersen was the daughter of court chamberlain Sten Abraham Piper and Catharina Ehrensv\u00e4rd, who had been \"hovfr\u00f6ken\" (maid of honour) prior to her marriage.", "She served as maid of honour to princess Sophia Albertina of Sweden in 1794-97.", "She married the courtier count Fabian Reinhold von Fersen in 1797.", "By marriage, she became the sister-in-law to the famous Axel von Fersen the Younger as well as Sophie Piper, who was married to her brother Carl Piper.", "Their children: Axel von Fersen (1798\u20131839), Fabian von Fersen (1800-1800), Gustaf Hans von Fersen (1802-1839) and the great heiress Louise von Fersen (1816\u20131879), of whom all sons died officially childless (although Gustaf Hans had in fact several children with Carolina Brunstr\u00f6m), were the last of the von Fersen family.", "She served as \"hovm\u00e4starinna\" (deputy mistress of the robes) in 1804-05 and \"\u00f6verhovm\u00e4starinna\" (Mistress of the Robes) in 1805-09 to queen Frederica, and Mistress of the Robes to queen Charlotte in 1809-10.", "Count Hans Gabriel Trolle-Wachtmeister said of her that she \"was the most beautiful Juno-like figure you could see  undoubtedly the most accomplished woman in high society\"."]]]
supporting_facts: [["Carl von Fersen", 4], ["Charlotta Sparre", 0]]
evidences: [["Carl von Fersen", "spouse", "Charlotta Sparre"], ["Charlotta Sparre", "place of death", "Stockholm"]]
answer: Stockholm