Question: The Coast to Vines rail trail open to pedestrians and cyclists, runs for how many km through the southern suburbs of Adelaide from Marino to Willunga, a town south of Adelaide, South Australia in the City of Onkaparinga local government area 47 km from the Adelaide CBD?
Sentence (from "Willunga, South Australia"): Sometimes considered a part of the Adelaide metropolitan area, it is located within the famous McLaren Vale wine growing region.
Relevant evidence: No