Question: Burragorang or Burragorang Valley is a locality in the Macarthur Region of New South Wales, Australia, in Wollondilly Shire, it is home to Lake Burragorang, which is impounded by Warragamba Dam, a concrete gravity dam, creates Lake Burragorang, the primary reservoir for water supply for which Australian city, New South Wales?
{'answer': 'Sydney', 'supporting_facts': [['Burragorang, New South Wales', 1], ['Warragamba Dam', 0]]}