user: Question: Which County has an IHSAA Class of AAAA, and a Mascot of Cardinals?
Columns: ['School', 'City', 'Mascot', 'Enrollment', 'IHSAA Class', 'County']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['21st Century Charter School of Gary', 'Gary', 'Cougars', 108.0, 'A', '45 Lake']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "IHSAA Class" = 'AAAA' AND "Mascot" = 'Cardinals';