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

at least of 50 % of the population is protestant , starting at which age range ?
SELECT "ages attained (years)" FROM table_203_770 WHERE "protestant and other christian" = 50
SELECT "ages attained (years)" FROM "table_203_770" WHERE "protestant and other christian" = 50