user: Question: What's the mascot of Eastern Pekin having less than 627 enrolled and an AA for their IHSAA Class?
Columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', '# / County']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Austin', 'Austin', 'Eagles', 368.0, 'AA', '72 Scott']
SQL:

assistant: SELECT "Mascot" FROM "Table" WHERE "Enrollment" < 627.0 AND "IHSAA Class" = 'AA' AND "School" = 'Eastern Pekin';