user: Question: What county has a school mascot of the Pioneers?
Columns: ['School', 'Mascot', 'Location', 'Enrollment', 'IHSAA Class', 'IHSAA Football Class', 'County']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Indianapolis Decatur Central', 'Hawks', 'Indianapolis', 1870.0, 'AAAA', 'AAAAA', '49 Marion']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "Mascot" = 'Pioneers';