Who are the employees that submitted resume to Human Resource Department and got hired? State the last name.
employees that submitted resume to Human Resource Department and got hired refers to BusinessEntittyID NOT null;
SELECT T3.LastName FROM Employee AS T1 INNER JOIN JobCandidate AS T2 ON T1.BusinessEntityID = T2.BusinessEntityID INNER JOIN Person AS T3 ON T1.BusinessEntityID = T3.BusinessEntityID WHERE T1.BusinessEntityID IN (212, 274)