CREATE TABLE table_name_78 (class VARCHAR2, quantity_preserved VARCHAR2, quantity_made VARCHAR2)

what is the class when the quantity perserved is 0 and the quantity made is 5?
SELECT class FROM table_name_78 WHERE quantity_preserved = "0" AND quantity_made = "5"
SELECT "class" FROM "table_name_78" WHERE "0" = "quantity_preserved" AND "5" = "quantity_made"