CREATE TABLE table_54719 ("Superlative" CLOB, "Actress" CLOB, "Record Set" CLOB, "Year" FLOAT, "Notes" CLOB)

Who set the record for youngest nominee?
SELECT "Record Set" FROM table_54719 WHERE "Superlative" = 'youngest nominee'
SELECT "Record Set" FROM "table_54719" WHERE "Superlative" = 'youngest nominee'