Government House is located in Sydney alongside the Royal Botanic Gardens, overlooking Sydney Harbour, just south of the Sydney Opera House.
 Constructed between 1837 and 1843, the property has been the official residence of the Governor of New South Wales since Sir George Gipps, except for two brief periods; the first between 1901 and 1914, when the property was leased to the Commonwealth of Australia as the residence of the Governor-General of Australia, and the second from 1996 to 2011.
 The property was returned as the Governor's residence in October 2011 and was managed by the Historic Houses Trust of New South Wales from March 1996 to December 2013.
Maria de Francesca-Cavazza is a German operatic soprano and voice teacher.
 Raised in the United States, she is a graduate of the Sherwood Conservatory of Music at the Columbia College Chicago where she was a pupil of Maria Hussa-Greve and Garvin Williamson.
 In 1961, she won the Metropolitan Opera National Council Auditions.
 Shortly thereafter, she moved to Germany to pursue further studies at the Hochschule für Musik Köln with Margarete Düren.
 She made her professional opera debut in 1962 at the Cologne Opera in a minor role, and the following year performed her first leading role with that company as Tsaritsa Militrisa in Nikolai Rimsky-Korsakov's "The Tale of Tsar Saltan".
 She then appeared as a leading soprano at several German opera houses, working as a member of the Opernhaus Wuppertal (1964-1965), the Kiel Opera House (1965-1967), the Staatsoper Nürnberg (1967-1976), and the Staatsoper Stuttgart (1976-1986).
 As a guest artist, she has made appearances at the Bavarian State Opera, the Bayreuth Festival and the Vienna State Opera, among others.
 She can be heard and seen in the role of the Cardillac's daughter in Hindemith's opera Cardillac, conducted by Wolfgang Sawallisch, on a 1985 Munich DVD issued by Deutsche Grammophon.
 De Francesca-Cavazza has taught on the music faculties of conservatories in Munich and Nuremberg.
The Sydney Opera House is a multi-venue performing arts centre in Sydney, New South Wales, Australia.
 It is one of the 20th century's most famous and distinctive buildings.
Lieutenant-Colonel George Johnston (19 March 1764 – 5 January 1823) was briefly Lieutenant-Governor of New South Wales, Australia after leading the rebellion later known as the Rum Rebellion.
 After serving as a young marine officer in the American Revolutionary War, Johnston served in the East Indies, fighting against the French, before volunteering to accompany the First Fleet to New South Wales.
 After serving as adjutant to Governor Arthur Phillip, Johnston served in the New South Wales Corps and he was later a key figure in putting down the Castle Hill convict rebellion in 1804 and then the Rum Rebellion in 1808, the latter of which led to his court martial and subsequent cashiering from military service.
 In his later life, he returned to New South Wales as a private citizen, raising a family in the colony and establishing a successful farm around Annandale in Sydney.
Macquarie Street is a street in the central business district of Sydney in New South Wales, Australia.
 Macquarie Street extends from Hyde Park at its southern end to the Sydney Opera House at its northern end.
 Apart from connecting these two major landmarks, the key government institutions of the state of New South Wales are all located on this street.
The Premier of New South Wales is the head of government in the state of New South Wales, Australia.
 The Government of New South Wales follows the Westminster system, with a Parliament of New South Wales acting as the legislature.
 The Premier is appointed by the Governor of New South Wales, and by modern convention holds office by virtue of his or her ability to command the support of a majority of members of the lower house of Parliament, the Legislative Assembly.
Frank William Mossfield {'1': ", '2': ", '3': ", '4': "} (born 4 June 1935) is a former Australian politician who was an Australian Labor Party member of the Australian House of Representatives from March 1996 to October 2004, representing the Division of Greenway, New South Wales.
 He was born in Sydney, New South Wales, and was a fitter and turner before entering politics.
 He was the New South Wales State Secretary of the Australian Society of Engineers and later the Greater New South Wales Branch Secretary of the Australian Workers' Union, an Executive Member of the Australian Council of Trade Unions and President of the Labor Council of New South Wales.
 He was appointed a Member of the Order of Australia in 1995.
 He retired at the 2004 election.
Inga Liljestrom is an Australian-Finnish experimental singer-songwriter.
 Her musical style is broad and crosses many genres, from electronic to rock, folk, country, and avant garde.
 Originally from Bellingen on the north coast of New South Wales in Australia, Inga Studied jazz vocals at Southern Cross University, and it wasn't until moving to Sydney that she discovered an aptitude for composing.
 Her first group 'Helgrind' explored avant-garde rock with co-composer Felicity Fox.
 This led to solo explorations into electronics and string instruments for her two first albums 'Urchin' and later her critically acclaimed album 'Elk' on the Groovescooter label.
 She has been given four grants from the Australia Council for the Arts to compose her original music.
 She has performed and toured as guest singer with numerous groups such as jazz experimental group 'd.
i.g' (Directions in Groove) for their album Curveystrasse; with Australian iconic group The Church, for their album El Momento Siguiente; made vocal contributions to "Dust Me Selecta" by Gerling which became a hit song and remixed Gotye's "Mixed Blood".
 Since 1998, Liljestrom has released 5 albums (with a new one almost completed for release in 2013), one DVD and has performed many shows, including sold out performances at The Studio, Sydney Opera House; The Vanguard; 505; Sydney and Adelaide festivals; and also festivals in Europe including Czech Republique, Poland, France and more.
 Liljestrom toured and composed with the Branch Nebula production 'Paradise City', touring South America and regional Australia.
 In 2009 she relocated to Paris, France, and recorded 'Black Crow Jane', which resulted in a publishing and record deal with Emergence music, based in France.
 Her compositions and voice has also contributed to many films and television programs including feature 'Left Ear' by Andrew Wholley; and ABC's Rake series.
 In the last few years, she has been teaching University students in Europe and Australia as part of Residency programs, creating multi-media shows with art, music and film students.
Abercrombie House was built in Bathurst, New South Wales, Australia in the 1870s by the Stewart family who were Bathurst pioneers.
 William Stewart came to Australia from England in 1825 as part of the colonisation of the penal colony (Australia).
 William was the Lieutenant Governor General of New South Wales; which meant he was hypothetically 2nd in command to running Australia.
 William was given land in Bathurst as a reward for doing his job well.
 William Stewart's eldest son James built Abercrombie House.
 The house is considered to be of extreme historical significance.
 It is listed on the National Trust Register.
 It is also on the New South Wales Heritage Register and the Australian Heritage Database which describes it as "an outstanding example of Victorian Tudor style architecture.
 It is built of granite with sandstone dressing to the quoins and window surrounds, and there are two storeys together with an attic floor.
 The building's most striking feature is its array of curvilinear parapeted gables topped by iron finials."
 The 50 acre land and house is currently owned by the Rex Henry Morgan Family.
 Since 1969 the Morgan family has made major restorations to the house.
 The House is currently occupied by Christopher Morgan and his family.
Tamara Wilson is an American operatic soprano who has had an active international opera career since 2007.
 She has performed leading roles at the Canadian Opera Company, the English National Opera, the Houston Grand Opera, the Liceu, the Metropolitan Opera, and the Sydney Opera House among others.
 She is particularly known for her performances of heroines in the operas of Giuseppe Verdi.
 In 2016 she was nominated for the Laurence Olivier Award for Outstanding Achievement in Opera and was awarded the Richard Tucker Award, an award described by "Opera News" as "one of the most prestigious prizes in opera".

Question: Tamara Wilson has performed a leading role at what opera house in New South Wales, Australia? 
Answer: Sydney Opera House