CREATE TABLE table_56211 ("Class" CLOB, "Wheel arrangement" CLOB, "Manufacturer" CLOB, "Year made" CLOB, "Quantity made" CLOB, "Quantity preserved" CLOB, "Year ( s )  withdrawn" CLOB)

Name the year for hercules
SELECT "Year made" FROM table_56211 WHERE "Class" = 'hercules'
SELECT "Year made" FROM "table_56211" WHERE "Class" = 'hercules'