Question: What is the postcode of a town in Cook County, New South Wales, that is situated approximately 100 km west of the Sydney central business district, and about 8 km east of Katoomba?
{'answer': '2782', 'supporting_facts': [['Cook County, New South Wales', 0], ['Cook County, New South Wales', 1], ['Wentworth Falls, New South Wales', 0]]}