Question: The Division of Kingston includes a suburb that is approximately how many km the Adelaide city centre?
Sentence (from "Division of Kingston"): The 171 km² seat stretches from Hallett Cove and O'Halloran Hill in the north to Sellicks Beach in the south, including the suburbs of Aldinga Beach, Christie Downs, Christies Beach, Hackham, Hallett Cove, Huntfield Heights, Lonsdale, Maslin Beach, Moana, Morphett Vale, Old Noarlunga, Onkaparinga Hills, Port Noarlunga, Reynella, Seaford, Sellicks Beach, Sheidow Park, Port Willunga, Trott Park, Woodcroft, and parts of Happy Valley and McLaren Flat.
Relevant evidence: Yes