user: Question: What is the IHSAA class when the county was 83 Vermillion?
Columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', 'County']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Attica', 'Attica', 'Red Ramblers', 283.0, 'A', '23 Fountain']
SQL:

assistant: SELECT "IHSAA Class" FROM "Table" WHERE "County" = '83 Vermillion';