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

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