Question: What was the 2017 population of the area in which Highgate is located?

Context paragraphs:
Perth: Perth ( ) is the capital and largest city of the Australian state of Western Australia.  It is the fourth-most populous city in Australia, with a population of around 1.94 million (as of 27 2017 ) living in Greater Perth.  Perth is part of the South West Land Division of Western Australia, with the majority of the metropolitan area located on the Swan Coastal Plain, a narrow strip between the Indian Ocean and the Darling Scarp.  The first areas settled were on the Swan River, with the city's central business district and port (Fremantle) both located on its shores.

Biratnagar: Biratnagar (Devanāgarī: विराटनगर) is a metropolitan city of Nepal.  According to the 2011 census, the city ranks fourth in population.  It ranks second in population density after Kathmandu.  Biratnagar is the industrial capital of Nepal and has a total area of 40.108 mi² (103.88 km²).  Its geographical location is 26°28'60"N 87°16'60"E.  The city is located in Morang District in the Kosi Zone of the eastern Terai region of Nepal.  It lies 399 km east of Nepal's capital, Kathmandu, and 6 km north of the border of the Indian state of Bihar.  It lies in the Province No. 1, as per the new Constitution of Nepal 2015.  It was declared as a Metropolitan city on 22nd of May, 2017 along with Birgunj.  The city is upgraded to metropolis by adding Tankisinuwari and Jahada-3 making the total population to reach 240,000 from current population of 214,000.

Liepāja: Liepāja (pronounced ] ), (German: "Libau" ; see other names) is a city in western Latvia, located on the Baltic Sea directly at 21°E.  It is the largest city in the Kurzeme Region and the third largest city in the country after Riga and Daugavpils.  It is an important ice-free port.  In 2017 population of Liepāja is 69,443 people.

City of Brisbane: 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.

Alameda, California: Alameda ( ; Spanish: ] ) is a city in Alameda County, California, United States.  It is located on Alameda Island and Bay Farm Island, and is adjacent to and south of Oakland and east of San Francisco across the San Francisco Bay.  Bay Farm Island, a portion of which is also known as "Harbor Bay Isle", is not actually an island, and is part of the mainland adjacent to the Oakland International Airport.  The city's estimated 2017 population was 79,928.  Alameda is a charter city, rather than a general law city, allowing the city to provide for any form of government.  Alameda became a charter city and adopted a council–manager government in 1916, which it retains to the present.

Aarhus: Aarhus (] ; officially spelled Århus from 1948 until 31 December 2010) is the second-largest city in Denmark and the seat of Aarhus municipality.  It is located on the east coast of the Jutland peninsula, in the geographical centre of Denmark, 187 km northwest of Copenhagen and 289 km north of Hamburg, Germany.  The inner urban area contains 269,022 inhabitants (as of 01 2017 ) and the municipal population is 335,684 (as of 2017 ).  Aarhus is the central city in the East Jutland metropolitan area, which had a total population of 1.378 million in 2016.

Highgate, Western Australia: Highgate is an inner suburb of Perth, Western Australia, located within the City of Vincent and north of the CBD.  Highgate was named for the village of Highgate in Kent, England.  Highgate is the smallest residential suburb in Perth, with an area of only 0.4 km.

Tri-Cities metropolitan area: The Kennewick–Richland, WA Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of Benton and Franklin Counties in Washington State, anchored by the cities of Kennewick, Pasco, and Richland (The Tri-Cities).  As of April 1, 2017, the Washington State Office of Financial Management, Forecasting Division estimates the population of the metropolitan area to be 283,830, making it the fourth-largest metropolitan area in Washington, after Seattle-Tacoma, Spokane, and Vancouver (Part of the Portland metropolitan area).  Although located outside of the Metropolitan area, the CDP (Census-designated place) of Burbank, is generally considered to be part of the Tri-Cities area.

Vijayawada: Vijayawada is a city in the amidst of Andhra Pradesh Capital Region, on the banks of Krishna River in Krishna district, of the Indian state of Andhra Pradesh (AP).  It is located 5 km away from the state capital Amaravati on other side of Krishna river. .  The city is a second largest populous city in AP.  , with a population of 1,034,358 (census 2011). While, the urban agglomeration spread in Guntur district covers, Tadepalle Municipality and its out growth of Undavalli; Mangalagiri Municipality and its out growths of Navuluru and Atmakur had a population of 1,491,202.  As per the G.O. 104 (dated:23-03-2017), the state government had declared Vijayawada Municipal Corporation and its contiguous areas as metropolitan area and Its jurisdiction is spread over an area of 160 km2 and has an estimated population of 18 lakhs .  The projected population of the city is 2.5 million by 2025. . As per the "Demographia World Urban Areas:2016," the city is the third most densely populated, in terms of urban population of built-up areas in the world.  Vijayawada is classified as a "Y-grade" city as per the Sixth Central Pay Commission.  Vijayawada is the commercial headquarters of Andhra Pradesh and It was recognised as a "Global City of the Future" by McKinsey Quarterly, which had expected to increase to GDP of $17 billion by 2025.

Highgate, Saskatchewan: Highgate, Saskatchewan is an unincorporated area in the rural municipality of Battle River No. 438, Saskatchewan, in the Canadian province of Saskatchewan.  Highgate is located on Saskatchewan Highway 16, the Yellowhead in north western Saskatchewan.  Highgate siding, a railroad siding and post office first opened in 1919 at the legal land description of Sec.17, Twp.45, R.17, W3.  The population is smaller than a hamlet, and is counted within the RM.  Highgate is located just north west of North Battleford, Saskatchewan.

Supporting paragraphs: Highgate, Western Australia Perth
Answer: 1.94 million