CREATE TABLE table_name_34 (mascot VARCHAR(255), school VARCHAR(255), enrollment VARCHAR(255), ihsaa_class VARCHAR(255))
What's the mascot of Eastern Pekin having less than 627 enrolled and an AA for their IHSAA Class?
    
SQL: SELECT mascot FROM table_name_34 WHERE enrollment < 627 AND ihsaa_class = "aa" AND school = "eastern pekin"