Question: What type of district does Clearview, South Australia and Northfield, South Australia have in common?

Context paragraphs:
Northfield, South Australia: Northfield is a suburb of the greater Adelaide, South Australia area.

Calperum Station, South Australia: Calperum Station is a locality in the Australian state of South Australia located on the northern side of the Murray River about 10 km to the north of the town of Renmark and about 250 km east of the centre of the capital city of Adelaide.  The locality was established on 26 April 2013 in respect to “the long established local name.”  Its name is derived from the former pastoral lease of the same name with the addition of the word “Station” to distinguish it from another locality elsewhere in South Australia.  Calperum Station is located within the federal divisions of Barker and Grey, the state electoral district of Chaffey, the unincorporated area of South Australia and the state’s Murray and Mallee region.  The land use within Calperum Station is concerned with the protected area which is also known as Calperum Station and which has fully occupied its extent since its establishment in 2013.

Clearview, South Australia: Clearview is a suburb of Adelaide, South Australia about 8 km north of the Adelaide city centre.  The suburb is bordered by Gepps Cross, Enfield, Broadview, Lightsview and Northfield.

South Australian Grade Cricket League: South Australian Grade Cricket (previously known as South Australian District Cricket) is the semi-professional State league based in metropolitan Adelaide, South Australia.  It is currently the highest level of cricket played in South Australia outside first-class cricket.  The league is administered by the South Australian Cricket Association (SACA), which is the organisation responsible for promoting and developing the game of cricket in South Australia.

Ross Smith Secondary School: Ross Smith Secondary School was a high school in Northfield, South Australia.  The school was established in 1996 as a result of the amalgamation of Nailsworth and Northfield High Schools.  The school had classes from Year 8 to 12.  The school's last principal was Judith O' Brian.  The motto of the school was "Building a culture of success."  The school was named after the aviator, Ross Macpherson Smith.

Martin Faull: Martin Peter Faull (born 10 May 1968) is a former Australian cricketer, who regularly played for South Australia during the 1990s.  Born in Darwin, Northern Territory, Faull played cricket for South Australia at both under-16 and under-19 level, as well as for the state's Colts and Second XI sides.  Faull made his first-class debut for South Australia in February 1991 during the 1990–91 Sheffield Shield, in a match against New South Wales at the Adelaide Oval.  His first first-class half-century was made the following month, a score of 89 runs in the return match against New South Wales, batting at number three.  Faull played regularly at both Sheffield Shield and domestic one-day level throughout the rest of the decade, at first as a middle-order batsman, but later as an opening batsman, often opening alongside Greg Blewett or David Fitzgerald.  He was more successful at first-class level, with the 1996–97 season his best, where he scored 459 runs from eight matches (including six half-centuries).  Faull's only first-class century came during the 1997–98 season, a score of 103 runs in the second innings of a match against New South Wales, which followed a first innings score of 58 runs.  Overall, he played 30 first-class and nine List A matches over his career, with his final matches at both levels coming in the 1998–99 season.  In the SACA District competition, Faull played for the Tea Tree Gully District Cricket Club.

Corporate Town of Jamestown: The Corporate Town of Jamestown was a local government area in South Australia, centred on the town of Jamestown.  It was proclaimed on 25 July 1878, severing the seven-year old settlement of Jamestown from the surrounding District Council of Belalie.  The first mayor was John Cockburn, later Premier of South Australia, with George Hingston Lake as town clerk.  Under the new council, it instituted a tree-planting program from 1879, reportedly the first town in rural South Australia to do so.

Electoral district of Torrens: Torrens is an electoral district of the House of Assembly in the Australian state of South Australia.  Located along the River Torrens, and named after Robert Richard Torrens, a 19th-century Premier of South Australia, and also the founder of the "Torrens title" land registration system.  Torrens is an 18.8 km² urban electorate in Adelaide's north-east.  It includes the suburbs of Greenacres, Hampstead Gardens, Hillcrest, Holden Hill, Northgate, Oakden and Windsor Gardens as well as parts of Dernancourt, Gilles Plains, Hope Valley, Klemzig and Northfield.

Martin Basedow: Martin Peter Friedrich Basedow (25 September 1829 – 12 March 1902), generally known as Frederick Basedow, was a native of Hanover, Germany who migrated to South Australia aboard the "Pauline" in March 1848.  He was partner in Basedow, Eimer & Co., publishers of the "Australische Zeitung", a German language newspaper published in South Australia, and represented Barossa in the South Australian House of Assembly from 20 May 1876 to 22 April 1890 when he was not reelected.  He was Minister of Education in the Morgan Ministry from March to June 1881.  He entered the South Australian Legislative Council for the electorate of North-Eastern District on 19 May 1894 and held the seat until 18 May 1900.  Herbert Basedow, his youngest son, born in Kent Town, South Australia, was a well-known anthropologist and geologist.

Electoral district of Enfield: Enfield is an electoral district of the House of Assembly in the Australian state of South Australia.  Named after the suburb of the same name, it is a 19.7 km² urban electorate in Adelaide's inner north, taking in the suburbs of Angle Park, Blair Athol, Broadview, Clearview, Enfield, Kilburn, Manningham, Mansfield Park, Regency Park and Sefton Park, and parts of Collinswood, Ferryden Park, Nailsworth and Prospect.

Supporting paragraphs: Clearview, South Australia Northfield, South Australia
Answer: suburb