question: Where does Valerie Pitts's husband work at?
context: [["Christopher Shinn", ["Christopher Shinn is an American playwright.", "His play\" Dying City\"( 2006) was a finalist for the 2008 Pulitzer Prize for Drama, and\" Where Do We Live\"( 2004) won the 2005 Obie Award, Playwriting."]], ["Dave Grossman (game developer)", ["Dave Grossman is an American game programmer and game designer, most known for his work at Telltale Games and early work at LucasArts.", "He has also written several children's books, and a book of\" guy poetry\" called\" Ode to the Stuff in the Sink\"."]], ["Frank Wildhorn", ["Frank Wildhorn( born November 29, 1958) is an American composer known for both his musicals and popular songs.", "He is most known for his musical\" Jekyll& Hyde\", which ran four years on Broadway, and for writing the# 1 International hit song\" Where Do Broken Hearts Go\" for Whitney Houston."]], ["David Shute", ["David Shute is a British journalist, best known for his work at the BBC."]], ["J. A. Lawrence", ["Judith Ann Blish( n\u00e9e Lawrence \u2014 born c. March 1940), known professionally as Judith L. Blish, Judy Blish, and J.A. Lawrence, is an American sketch artist and short fiction writer.", "She is most well known for her work on the series of\" Star Trek\" episode novelizations, alongside her husband James Blish, published from 1967 to 1978.", "She has been active in preserving, and promoting her husband's work."]], ["Mary Horner Lyell", ["Mary Horner Lyell (9 October 1808 \u2013 24 April 1873) was a conchologist and geologist.", "She was married to the notable British geologist Charles Lyell and assisted him in his scientific work.", "She never became widely known in her own right, although it is believed by historians that she likely made major contributions to her husband's work."]], ["Georg Solti", ["Sir Georg Solti, (born Gy\u00f6rgy Stern; 21 October 1912 \u2013 5 September 1997) was a Hungarian-born orchestral and operatic conductor, best known for his appearances with opera companies in Munich, Frankfurt and London, and as a long-serving music director of the Chicago Symphony Orchestra.", "Born in Budapest, he studied there with B\u00e9la Bart\u00f3k, Le\u00f3 Weiner and Ern\u0151 Dohn\u00e1nyi.", "In the 1930s, he was a r\u00e9p\u00e9titeur at the Hungarian State Opera and worked at the Salzburg Festival for Arturo Toscanini.", "His career was interrupted by the rise of the Nazis' influence on Hungarian politics, and being of Jewish background he fled the increasingly harsh Hungarian anti-Jewish laws in 1938.", "After conducting a season of Russian ballet in London at the Royal Opera House he found refuge in Switzerland, where he remained during the Second World War.", "Prohibited from conducting there, he earned a living as a pianist.", "After the war, Solti was appointed musical director of the Bavarian State Opera in Munich in 1946.", "In 1952 he moved to the Oper Frankfurt, where he remained in charge for nine years.", "He took West German citizenship in 1953.", "In 1961 he became musical director of the Covent Garden Opera Company, London.", "During his ten-year tenure, he introduced changes that raised standards to the highest international levels.", "Under his musical directorship the status of the company was recognised with the grant of the title \"the Royal Opera\".", "He became a British citizen in 1972.", "In 1969 Solti became music director of the Chicago Symphony Orchestra, a post he held for 22 years.", "He relinquished the position in 1991 and became the orchestra's music director laureate, a position he held until his death.", "During his time as the Chicago Symphony Orchestra's eighth music director, he also served as music director of the Orchestre de Paris from 1972 until 1975 and principal conductor of the London Philharmonic Orchestra from 1979 until 1983.", "Known in his early years for the intensity of his music making, Solti was widely considered to have mellowed as a conductor in later years.", "He recorded many works two or three times at various stages of his career, and was a prolific recording artist, making more than 250 recordings, including 45 complete opera sets.", "The most famous of his recordings is probably Decca's complete set of Wagner's \"Der Ring des Nibelungen\", made between 1958 and 1965.", "Solti's \"Ring\" has twice been voted the greatest recording ever made, in polls for \"Gramophone\" magazine in 1999 and the BBC's \"Music Magazine\" in 2012.", "Solti was repeatedly honoured by the recording industry with awards throughout his career, including a record 31 Grammy Awards as a recording artist."]], ["Mordechai Rotenberg", ["Mordechai Rotenberg( 1932) is an Israeli professor of social work at the Hebrew University of Jerusalem."]], ["Alan McKenzie", ["Alan McKenzie is a British comics writer and editor known for his work at\" 2000 AD\"."]], ["Valerie Pitts", ["Valerie Pitts, Lady Solti (born 19 August 1937) is a retired television presenter who was one of the BBC's original team of presenters during the 1950s.", "She left the programme in 1960 to marry James Sargent who was stage manager of the Sadler's Wells Opera Company.", "She also worked at Granada Television.", "She is the widow of Sir Georg Solti."]]]
supporting_facts: [["Valerie Pitts", 3], ["Georg Solti", 6]]
evidences: [["Valerie Pitts", "spouse", "Sir Georg Solti"], ["Sir Georg Solti", "employer", "Bavarian State Opera"]]
answer: Bavarian State Opera