Question: What is the postcode for Kilburn, a suburb located in the inner north of Adelaide, South Australia, and Blair Athol, a suburb located 15km north of Adelaide CBD, Australia?

Context paragraphs:
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.

Peterhead, South Australia: Peterhead is a north-western suburb of Adelaide 15 km from the CBD, on the LeFevre Peninsula, in the state of South Australia, Australia and falls under the City of Port Adelaide Enfield.  It is adjacent to Largs Bay and Birkenhead.  The postcode for Peterhead is 5016.  It is bounded to the north by Wills Street, to the south by Hargrave Street and in the west and east by the Outer Harbor railway line and the Port River respectively.

Sefton Park, South Australia: Sefton Park is a suburb about 6 km north east of the Adelaide CBD, South Australia and lies in both the City of Port Adelaide Enfield and the City of Prospect.  It borders the suburbs Enfield, Nailsworth, Prospect and Broadview.  Sefton Park is a minor shopping district of Adelaide and is also one of Adelaide's smallest suburbs.

Blair Athol, South Australia: Blair Athol is located about 15 km north of the Adelaide CBD, South Australia.  Blair Athol borders the suburbs of Gepps Cross, Enfield, Prospect and Kilburn.  Blair Athol's main and longest street is Florence Avenue.

Enfield, South Australia: Enfield is a suburb in Adelaide, Australia.  The suburb is about a 10-minute drive north from Adelaide's Central Business District.  The suburb is bordered by Gepps Cross, Blair Athol and Clearview at the Northern end, and Prospect, Sefton Park and Broadview at the Southern end.

Blair Athol, New South Wales: Blair Athol is a suburb of Sydney, in the state of New South Wales, Australia.  Blair Athol is located 57 kilometres south-west of the Sydney central business district, in the local government area of the City of Campbelltown and is part of the Macarthur region.

Mansfield Park, South Australia: Mansfield Park is a north-western suburb of Adelaide 10 km from the CBD, in the state of South Australia, Australia and falls under the City of Port Adelaide Enfield.  It is adjacent to Wingfield, Angle Park, Woodville Gardens, and Athol Park.  The postcode for Mansfield Park is 5012.  It is bounded to the north by Grand Junction Road, and to the west by Hanson Road.  It is named after the Mansfield in East Ayrshire, Scotland.

Port Adelaide: Port Adelaide is the name of a region of Adelaide, approximately 14 km northwest of the Adelaide CBD.  It is also the namesake of the City of Port Adelaide Enfield council, a suburb, a federal and state electoral division and is the main port for the city of Adelaide.  Port Adelaide played an important role in the formative decades of Adelaide and South Australia, with the port being early Adelaide's main supply and information link to the rest of the world.

Kilburn, South Australia: Kilburn is a suburb in the inner north of Adelaide, South Australia.  The suburb borders Blair Athol, Gepps Cross, Wingfield, Regency Park and Prospect.  Kilburn shares the same postcode as Blair Athol which is 5084 and was previously known as 'Little Chicago' before its name was changed during the 20th century.

Nakasi, Fiji: is a suburb located along the Suva - Nausori corridor, in the Central Division of the Republic of Fiji.  The 9½ Miles factor is also used to identify the locality as it denotes the distance from Suva as it forms the common identification of the suburbs along the Kings Highway from Suva to Nausori.  Nakasi is located 15 km north-east of Suva city and 5 km south of Nausori.  It falls under the jurisdiction of the local government area of the township of Nausori.  Nakasi is one of the largest of the many suburbs along the Suva-Nausori corridor.  The current population stands at 18,919.

Supporting paragraphs: Kilburn, South Australia Blair Athol, South Australia
Answer: 5084