CREATE TABLE table_name_85 (enrollment NUMBER, ihsaa_football_class VARCHAR2)

What is the enrollment for the AAAA class in IHSAA?
SELECT SUM(enrollment) FROM table_name_85 WHERE ihsaa_football_class = "aaaa"
SELECT SUM("enrollment") FROM "table_name_85" WHERE "aaaa" = "ihsaa_football_class"