Question: Gulfview Heights and Para Hills are suburbs of what city in South Australia?

Context paragraphs:
Hundred of Munno Para: The Hundred of Munno Para is a cadastral unit of hundred covering the outer northern suburbs of Adelaide north of the Little Para River and the flanking semi-rural areas in South Australia.  It is one of the eleven hundreds of the County of Adelaide.  It was named in 1846 by Governor Frederick Robe, Munno Para being a term from a local Kaurna Aboriginal people meaning "golden wattle creek".  This name refers to either the Gawler River (which starts at the confluence of the South Para River and North Para River) or the Little Para River.

Division of Makin: The Division of Makin is an electoral division for the Australian House of Representatives located in the northeastern suburbs of Adelaide.  The 130 km² seat covers an area from Little Para River and Gould Creek in the north-east to Grand Junction Road in the south and Port Wakefield Road in the west, including the suburbs of Banksia Park, Fairview Park, Golden Grove, Greenwith, Gulfview Heights, Ingle Farm, Mawson Lakes, Modbury, Para Hills, Para Vista, Pooraka, Redwood Park, Ridgehaven, Salisbury East, Salisbury Heights, St Agnes, Surrey Downs, Tea Tree Gully, Valley View, Vista, Walkley Heights, Wynn Vale, Yatala Vale, and parts of Gepps Cross and Hope Valley.

Electoral district of Playford: Playford is an electoral district of the House of Assembly in the Australian state of South Australia.  Named after the long serving South Australian premier Tom Playford, it is a 22.7 km² urban electorate in Adelaide's north, taking in the suburbs of Ingle Farm, Para Hills West and Walkley Heights as well as parts of Gepps Cross, Gulfview Heights, Northfield, Para Hills, Para Vista, Pooraka and Valley View.

Electoral district of Wright: Wright is an electoral district of the House of Assembly in the Australian state of South Australia.  Named after the 19th century South Australian architect Edmund Wright, it is a 20.5 km2 urban electorate in Adelaide's outer north-east, taking in the suburb of Salisbury East and parts of Golden Grove, Greenwith, Gulfview Heights and Wynn Vale.

Gulfview Heights, South Australia: Gulfview Heights is a small suburb of Adelaide, South Australia and is within the City of Salisbury and City of Tea Tree Gully local government area.  It is adjacent to Wynn Vale, Salisbury East and Para Hills.

Cobbler Creek Recreation Park: Cobbler Creek Recreation Park is a 266 ha protected area located in South Australia about 19 km north of the Adelaide city centre in the suburb of Gulfview Heights.  Originally part of the lands of the Kaurna aboriginal people, it was farmed from European settlement of South Australia until the declaration of the park in 1989.

Wynn Vale, South Australia: Wynn Vale is an outer north-eastern suburb of Adelaide, South Australia and is located within the City of Tea Tree Gully local government area.  It is adjacent to Golden Grove, Modbury Heights, Surrey Downs, Salisbury East and Para Hills.  It is located approximately 20 km north-east of the city of Adelaide.

Para Hills, South Australia: Para Hills is a residential suburb of Adelaide, South Australia.  There is a light aircraft airport close to its boundary, and numerous sporting facilities, abundant parks and schools and two medium-sized shopping centres.  Most of the suburb is in the City of Salisbury while some is in the City of Tea Tree Gully.

Electoral district of Florey: Florey is an electoral district of the House of Assembly in the Australian state of South Australia.  It is named after scientist Howard Florey, who was responsible for the development of penicillin.  It is a 16.1 km² urban electorate in Adelaide's north-east, taking in the suburbs of Modbury, Modbury Heights and Modbury North, as well as parts of Gilles Plains, Hope Valley, Para Hills, Para Vista, Redwood Park, Ridgehaven, Valley View and Wynn Vale.

Para Hills Knights SC: Para Hills Knights SC are a soccer club based in Para Hills, South Australia.  The club competes in the FFSA National Premier League.  The Para Hills Knights home ground is at The Paddocks in Para Hills, north of Adelaide.  They currently have some of the strongest sides in the Junior Premier League and senior league.  2012 was a very successful year for the club gaining promotion to the top league in South Australia by winning the premier league competition.  The club also gained a place in the cup after beating some strong super league sides.  The under 19's team also finished top of their league and the reserves had a successful season, finishing the 2006 Premier League season on top earning promotion to the 2007 South Australian Super League.  The Knights recently recently regained Premier League status following promotion from the State League in 2016.

Supporting paragraphs: Gulfview Heights, South Australia Para Hills, South Australia
Answer: Adelaide