Mention the oldest empoyee's full name, title, salary and number of orders which were shipped to USA by him.
full name refers to FirstName, LastName; shipped to USA refers to ShipCountry = 'USA'
SELECT T1.FirstName, T1.LastName, T1.Title, T1.Salary , COUNT(T2.OrderID) FROM Employees AS T1 INNER JOIN Orders AS T2 ON T1.EmployeeID = T2.EmployeeID WHERE ShipCountry = 'USA' GROUP BY T1.FirstName, T1.LastName, T1.Title, T1.Salary, T1.BirthDate ORDER BY T1.BirthDate LIMIT 1