CREATE TABLE table_65721 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "# / County" TEXT)

What's the mascot of Eastern Pekin having less than 627 enrolled and an AA for their IHSAA Class?
SELECT "Mascot" FROM table_65721 WHERE "Enrollment" < '627' AND "IHSAA Class" = 'aa' AND "School" = 'eastern pekin'
SELECT "Mascot" FROM "table_65721" WHERE "Enrollment" < '627' AND "IHSAA Class" = 'aa' AND "School" = 'eastern pekin'