CREATE TABLE table_203_770 (id DECIMAL, "ages attained  ( years ) " TEXT, "catholic" TEXT, "protestant and other christian" TEXT, "other religion" TEXT, "none or not stated" TEXT)

how many age ranges are represented in the table ?
SELECT COUNT(DISTINCT "ages attained (years)") FROM table_203_770
SELECT COUNT(DISTINCT "ages attained (years)") FROM "table_203_770"