CREATE TABLE table_70760 ("Class" CLOB, "Type" CLOB, "Names" CLOB, "Quantity made" CLOB, "Manufacturer" CLOB, "Date made" CLOB)

What is the quantity made of the locomotive with a Waterford class?
SELECT "Quantity made" FROM table_70760 WHERE "Class" = 'waterford'
SELECT "Quantity made" FROM "table_70760" WHERE "Class" = 'waterford'