CREATE TABLE table_58398 ("Event Name" TEXT, "Established" FLOAT, "Category" TEXT, "Sub Category" TEXT, "Main Venue" TEXT)

How many Established groups have a multicultural sub category?
SELECT COUNT("Established") FROM table_58398 WHERE "Sub Category" = 'multicultural'
SELECT COUNT("Established") FROM "table_58398" WHERE "Sub Category" = 'multicultural'