CREATE TABLE table_13817 ("School" TEXT, "Mascot" TEXT, "School Corp." TEXT, "Size" FLOAT, "IHSAA Class  ( Football ) " TEXT, "Year Joined" TEXT, "Other Conferences" TEXT)

What IHSAA football class do the Generals play in?
SELECT "IHSAA Class (Football)" FROM table_13817 WHERE "Mascot" = 'generals'
SELECT "IHSAA Class (Football)" FROM "table_13817" WHERE "Mascot" = 'generals'