Question: Kaurna is an electoral district of the House of Assembly in the Australian state of South Australia, it is how many km², a semi-urban electorate on Adelaide's far-southern beaches, taking in the suburbs of Aldinga Beach, an outer southern suburb of Adelaide?
Sentence (from "Electoral district of Kaurna"): Named after the Kaurna aboriginal tribe which originally inhabited the Adelaide plains, it is a 52.7 km² semi-urban electorate on Adelaide's far-southern beaches, taking in the suburbs of Aldinga Beach, Maslin Beach, Moana, Port Noarlunga, Port Noarlunga South, Port Willunga, Seaford, Seaford Meadows and Seaford Rise as well as parts of Aldinga and Christies Beach.
Relevant evidence: Yes