CREATE TABLE table_65691 ("School" TEXT, "Location" TEXT, "Mascot" TEXT, "Enrollment" FLOAT, "IHSAA Class" TEXT, "IHSAA Football Class" TEXT, "County" TEXT)

What is the enrollment for the AAAA class in IHSAA?
SELECT SUM("Enrollment") FROM table_65691 WHERE "IHSAA Football Class" = 'aaaa'
SELECT SUM("Enrollment") FROM "table_65691" WHERE "IHSAA Football Class" = 'aaaa'