CREATE TABLE table_66437 ("Class" CLOB, "Wheel arrangement" CLOB, "Fleet number ( s ) " CLOB, "Manufacturer" CLOB, "Serial numbers" CLOB, "Year made" CLOB, "Quantity made" CLOB, "Quantity preserved" CLOB, "Year ( s )  retired" CLOB)

What year were the retired serial numbers 27317 27336?
SELECT "Year(s) retired" FROM table_66437 WHERE "Serial numbers" = '27317–27336'
SELECT "Year(s) retired" FROM "table_66437" WHERE "Serial numbers" = '27317–27336'