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?
{'answer': '52.7', 'supporting_facts': [['Electoral district of Kaurna', 1], ['Aldinga Beach, South Australia', 0]]}