Question: Name the oldest employee who is working on night shift. How old is the employee?
SQL: SELECT T1.FirstName, T1.LastName , STRFTIME('%Y', CURRENT_TIMESTAMP) - STRFTIME('%Y', BirthDate) FROM Person AS T1 INNER JOIN Employee AS T2 ON T1.BusinessEntityID = T2.BusinessEntityID INNER JOIN EmployeeDepartmentHistory AS T3 ON T2.BusinessEntityID = T3.BusinessEntityID WHERE T3.ShiftId = 3 ORDER BY STRFTIME('%Y', CURRENT_TIMESTAMP) - STRFTIME('%Y', BirthDate) DESC LIMIT 1