user: Question: Which County has an IHSAA Class of AAA, and an Enrollment smaller than 799?
Columns: ['School', 'Mascot', 'Location', 'Enrollment', 'IHSAA Class', 'IHSAA Football Class', 'County']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Castle', 'Knights', 'Newburgh', 1918.0, 'AAAA', 'AAAAA', '87 Warrick']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "IHSAA Class" = 'AAA' AND "Enrollment" < 799.0;