Question: What was the 2010 population of the town near Vernon Hills which was laid out in 1857 and with a city hall designed by Charles Sumner Frost?
{'answer': '19,375', 'supporting_facts': [['Vernon Hills, Illinois', 0], ['Vernon Hills, Illinois', 2], ['Lake Forest, Illinois', 0], ['Lake Forest, Illinois', 1], ['Lake Forest, Illinois', 3], ['Lake Forest, Illinois', 4]]}