List the full name of all the 'Production Technician - WC50'
full name = FirstName+MiddleName+LastName; Production Technician - WC50 is a job title;
SELECT T2.FirstName, T2.MiddleName, T2.LastName FROM Employee AS T1 INNER JOIN Person AS T2 USING (BusinessEntityID) WHERE T1.JobTitle = 'Production Technician - WC50' GROUP BY T2.FirstName, T2.MiddleName, T2.LastName