Question: What town in Hartley has a population of 7,003

Context paragraphs:
Electoral district of Hartley: Hartley is an electoral district of the House of Assembly in the Australian state of South Australia.  It is named after John Anderson Hartley, a public servant responsible for creating much of South Australia's public education system.  It is a 15.5 km² urban electorate in Adelaide's east, taking in the suburbs of Auldana, Campbelltown, Felixstow, Glynde, Hectorville, Kensington Gardens, Magill, Rosslyn Park and Tranmere, as well as parts of Paradise and Payneham.

Tonkolili District: Tonkolili District is a District in the Northern Province of Sierra Leone.  Its capital and largest city is Magburaka.  The other major towns include Masingbi, Yele, Mile 91, Bumbuna, Yonibana, Matotoka.  Mathora, Magbass and Masanga.  Tonkolili District is home to the largest sugar factory in Sierra Leone, and one of the largest sugar factories in West Africa, that is located in the town of Magbass.  Tonkolili District had a population of 530,776.  The district occupies a total area of 7,003 km2 and comprises eleven chiefdoms.

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

Supporting paragraphs: Electoral district of Hartley Campbelltown, South Australia
Answer: Campbelltown