CREATE TABLE table_70758 ("Class" CLOB, "Type" CLOB, "Names" CLOB, "Quantity made" CLOB, "Manufacturer" CLOB, "Date made" CLOB)

What is the date of the locomotive with a Waterford class?
SELECT "Date made" FROM table_70758 WHERE "Class" = 'waterford'
SELECT "Date made" FROM "table_70758" WHERE "Class" = 'waterford'