user: Question: What is the lowest enrollment at the Pioneer school?
Columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', 'IHSAA Football Class', '# / County']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Caston', 'Fulton', 'Comets', 240.0, 'A', 'A', '25 Fulton']
SQL:

assistant: SELECT MIN("Enrollment") FROM "Table" WHERE "School" = 'Pioneer';