user: Question: Which IHSAA Class is located in Charlottesville?
Columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', 'County', 'Primary Conference']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Eastern Hancock', 'Charlottesville', 'Royals', 348.0, 'A', '30 Hancock', 'Mid-Hoosier']
SQL:

assistant: SELECT "IHSAA Class" FROM "Table" WHERE "Location" = 'Charlottesville';