Question: Part of Newton is surrounded by which suburb of Adelaide, South Australia?

Context paragraphs:
Greenacres, South Australia: Greenacres is a north eastern suburb of Adelaide, South Australia in the City of Port Adelaide Enfield.  It is considered as an inner suburb of greater Adelaide.  Hampstead Road and Muller Road intersect at the south west corner of Greenacres, making it a bustling area during rush hour.  These form the western and southern boundaries of the suburb, with Fosters Road on the east and Redward Avenue on the northern boundary.  Greenacres is home to the Greenacres Shopping Centre, which has as its major shops a Coles supermarket (formerly a BI-LO), The Reject Shop and formerly Sam's Warehouse, Latitude-Bounce Climb Fly https://latitudeair.com .  The City of Port Adelaide Enfield Greenacres Library & Office is located to the east of the shopping centre precinct.  The suburb also features Hampstead Barracks, a small suburban Australian Army base.

Newton, South Australia: Newton is a small middle class suburb of Adelaide, South Australia situated in the Adelaide foothills northeast of the city centre.  The area features a significant population of people of Italian origin.  Part of the City of Campbelltown, Newton is surrounded by the suburbs Paradise, Rostrevor, Athelstone and Campbelltown.

St Kilda, South Australia: St Kilda is a seaside suburb in Adelaide, South Australia.  St Kilda has a small number of houses and a 2006 population of 246.  There is a single connecting road to the rest of Adelaide which, where the road enters the suburb's residential area, is surrounded by salt crystallisation lagoons used in the manufacture of soda ash.  The inhabited section of the suburb occupies less than 100 hectares along the seafront, with the remainder used for salt lagoons and also settlement ponds of nearby Bolivar sewage treatment works.

Walkerville, South Australia: Walkerville is a suburb of Adelaide, South Australia.  It lies just north east of the city centre, about 4 kilometres from the Adelaide GPO.  Walkerville is one of South Australia's most affluent suburbs and in 2012 it was South Australia's second "top earning suburb."

Daw Park, South Australia: Daw Park is an inner southern suburb of Adelaide, Australia, in the local government area of the City of Mitcham.  The suburb is divided into two parts, with a smaller exclave separated from the larger southern part by a section of Colonel Light Gardens.  This smaller exclave is surrounded by the suburbs of Colonel Light Gardens to the south and east, Cumberland Park to the north and Melrose Park to the west.  The southern exclave is surrounded by Pasadena to the south, Melrose Park to the west, Colonel Light Gardens to the north and east.  Daw Park is part of the South Australian House of Assembly electoral district of Elder and the House of Representatives Division of Boothby.

Glen Osmond, South Australia: Glen Osmond is a suburb of Adelaide, South Australia in the City of Burnside which is in the foothills of the Adelaide Hills.  It is well known for the road intersection on the western side of the suburb, where the South Eastern Freeway (National Route M1) from the Adelaide Hills and the main route from Melbourne splits into National Route A17 Portrush Road (north, the main route towards Port Adelaide), Glen Osmond Road, Adelaide (northwest towards Adelaide city centre) and state route A3 Cross Road west towards the coast and southern suburbs.

Parafield Airport: Parafield Airport (ICAO: YPPF) is on the edge of the residential suburb of Parafield, South Australia, 18 km north of the Adelaide city centre and adjacent to the Mawson Lakes campus of the University of South Australia.  It is Adelaide's second airport and the fifth busiest airport in Australia by aircraft movements.  Although owned by the Government of Australia, the airport is leased to and managed independently by Parafield Airport Ltd., a wholly owned subsidiary of Adelaide Airport Limited.

Campbelltown, South Australia: Campbelltown is a suburb of Adelaide, South Australia.  The population of the area totals 7,003.

Crime in Adelaide: Crime in the city of Adelaide, South Australia has decreased significantly since the 2000s and is controlled by the South Australia Police (SAPOL) and the South Australia court system.  Adelaide has developed a reluctant reputation over the years as Australia's "crime capital", despite it being a relatively small city.  Perhaps one of Australia's most notorious and well known serial killing cases, the Snowtown murders, occurred primarily on the outskirts of Adelaide in the low socio-economic areas of Salisbury and Elizabeth.  This, as well as a series of unsolved murder cases in the 1970s, 1980s and early 1990s, known as "The Family Murders" led to one UK documentary dubbing Adelaide the "murder capital of Australia".  Various highly publicised kidnappings have occurred in the city, notably the unsolved Beaumont children disappearance on Australia Day in 1966.

Geology of South Australia: South Australia is an Australian state, situated in the southern central part of the country, and featuring some low-lying mountain ranges, the most significant being the Mount Lofty Ranges, which extend into the state's capital city, Adelaide, which comprises most of the state's population.  Adelaide is situated on the eastern shores of Gulf St Vincent, on the Adelaide Plains, north of the Fleurieu Peninsula, between Gulf St Vincent and the low-lying Mount Lofty Ranges.  The state of South Australia, which stretches along the coast of the continent and has boundaries with every other state in Australia, with the exception of the Australian Capital Territory and Tasmania.  The Western Australia border has a history with South Australia, involving the South Australian Government Astronomer, Dodwell and the Western Australian Government Astronomer, Curlewis in the 1920s to mark the border on the ground.

Supporting paragraphs: Newton, South Australia Campbelltown, South Australia
Answer: Campbelltown