user: Question: WhAt is the enrollment At the school with IHSAA clAss A And where mAscot is the Vikings?
Columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', '# / County']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Blue River Valley', 'Mt. Summit', 'Vikings', 229.0, 'A', '33 Henry']
SQL:

assistant: SELECT "Enrollment" FROM "Table" WHERE "IHSAA Class" = 'A' AND "Mascot" = 'Vikings';