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?
{'answer': '34', 'supporting_facts': [['Coast to Vines Rail Trail', 0], ['Willunga, South Australia', 0]]}