CREATE TABLE table_49529 ("Class" CLOB, "Wheel arrangement" CLOB, "Fleet number ( s ) " CLOB, "Manufacturer" CLOB, "Year made" CLOB, "Quantity made" CLOB, "Quantity preserved" CLOB)

Which fleet numbers has quanitity of 13?
SELECT "Fleet number(s)" FROM table_49529 WHERE "Quantity made" = '13'
SELECT "Fleet number(s)" FROM "table_49529" WHERE "Quantity made" = '13'