Question: The Saumarez Homestead maintained by the National Trust of Australia is located in which city approximately halfway between Sydney and Brisbane?

Context articles: Ingleburn, New South Wales
Bellingen, New South Wales
Totternhoe Knolls
Saumarez Homestead
Armidale, New South Wales
Enrico Fermi Nuclear Generating Station
Helensburgh, New South Wales
Halfway, County Cork
Mungallala
City of Brisbane

Ingleburn is a suburb of Sydney, in the state of New South Wales, Australia 44 kilometres south-west of the Sydney central business district, in the local government area of City of Campbelltown.
 It is part of the Macarthur region.
 Ingleburn is located approximately halfway between the two commercial centres of Liverpool and Cambelltown.
Bellingen is a small town (pop 3,038) on Waterfall Way on the Mid North Coast of New South Wales, Australia.
 It is approximately halfway between the major Australian cities of Sydney and Brisbane.
 It is the seat of Bellingen Shire and has a mixture of valley, plateau and coastal environments.
Totternhoe Knolls is a 13.1 hectare Site of Special Scientific Interest (SSSI) in Totternhoe in Bedfordshire.
 It is also a Local Nature Reserve, and part of the Chilterns Area of Outstanding Natural Beauty.
 The site is owned by Central Bedfordshire Council and leased to the National Trust.
 Most of the site is maintained jointly by the National Trust and the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire (WTBCN), and is part of the WTBCN Totternhoe nature reserve, which also includes Totternhoe Chalk Quarry and Totternhoe Stone Pit.
 The SSSI also includes Totternhoe Castle, the earthworks of a Norman motte-and-bailey castle which is a Scheduled Monument.
The Saumarez Homestead is an heritage-listed homestead in the Federation Edwardian style and associated grounds that is located in Armidale , New South Wales, Australia.
 The property consists of 10 ha of land and includes a fully furnished 30-room house.
 There are 15 other buildings, along with collections of farming equipment and other items.
 The Saumarez Homestead is maintained by the National Trust of Australia and is listed on the New South Wales State Heritage Register.
 It is open to the public as a museum, and can be rented for weddings and other functions.
 Saumarez Homestead has also been a venue for events such as a film festival and fashion shows.
Armidale is a city in the Northern Tablelands, New South Wales, Australia.
 Armidale had an estimated population of 23,674 as of 30 June 2015.
 It is the administrative centre for the Northern Tablelands region.
 It is approximately halfway between Sydney and Brisbane at the junction of the New England Highway and Waterfall Way.
 Armidale traditional owners are Anaiwan people.
 Many Gumbaynggirr people have settled in Armidale since colonisation.
The Enrico Fermi Nuclear Generating Station is a nuclear power plant on the shore of Lake Erie near Monroe, in Frenchtown Charter Township, Michigan on approximately 1,000 acres.
 All units of the plant are operated by the DTE Energy Electric Company and owned (100 percent) by parent company DTE Energy.
 It is approximately halfway between Detroit, Michigan, and Toledo, Ohio.
 It is also visible from parts of Amherstburg and Colchester, Ontario as well as on the shore of Lake Erie in Ottawa County, Ohio.
 Two units have been constructed on this site.
 The first unit's construction started on August 4, 1956 and reached initial criticality on August 23, 1963, and the second unit received its construction permit on September 26, 1972.
 It reached criticality (head on) in June 21, 1985 and was declared commercial on November 18, 1988.
 The plant is connected to two single-circuit 345 kV Transmission Lines and 3 120 kV lines.
 They are operated and maintained by ITC Transmission.
Helensburgh is a small town in New South Wales, Australia.
 Helensburgh is located 45 kilometres south of the Sydney central business district and 34 km north of Wollongong.
 Helensburgh is in the local government area of Wollongong City Council and marks the northern end of the Illawarra region.
 It is approximately halfway between Sydney and Wollongong, at the southern end of the Royal National Park.
Halfway (Irish: "Leath Slighe" ) is a village in County Cork, in Ireland.
 Halfway got its name from being situated approximately halfway between Cork City and Bandon.
Mungallala is a town in the South West region of the Australian state of Queensland.
 The town is in the Maranoa Region local government area and on the Warrego Highway, 608 km west of the state capital Brisbane and 133 km west of the regional centre of Roma.
 The name Mungallala is said to mean 'food water' because of the location of a cypress mill, approximately halfway between Mitchell and Morven on the Warrego Highway.
 The town consists of only a few streets, a public library, school and the Mungallala Club Hotel.
 In 2016 the Australian Taxation Office listed Mungallala as having the lowest mean taxable income by postcode, making it the 'poorest' town in Australia.
The City of Brisbane is a local government area that has jurisdiction over the inner portion of the metropolitan area of Brisbane, the capital of Queensland, Australia.
 Brisbane is located in the county of Stanley and is the largest city followed by Ipswich with bounds in part of the county.
 Unlike LGAs in the other mainland state capitals (Sydney, Melbourne, Perth and Adelaide), which are generally responsible only for the central business districts and inner neighbourhoods of those cities, the City of Brisbane administers a significant portion of the Brisbane metropolitan area, serving almost half of the population of the Brisbane Greater Capital City Statistical Area (GCCSA, formerly statistical division).
 As such, it has a larger population than any other local government area in Australia.
 The City of Brisbane was the first Australian LGA to reach a population of more than one million.
 Its population is roughly equivalent to the populations of Tasmania, the Australian Capital Territory and the Northern Territory combined.
 In 2016-2017, the council administers a budget of over $3 billion.