Give the name of the territory where Mr. Robert King works.
name of territory refers to TerritoryDescription; Mr. refers to TitleOfCourtesy = 'Mr';
SELECT T3.TerritoryDescription FROM Employees AS T1 INNER JOIN EmployeeTerritories AS T2 ON T1.EmployeeID = T2.EmployeeID INNER JOIN Territories AS T3 ON T2.TerritoryID = T3.TerritoryID WHERE T1.TitleOfCourtesy = 'Mr.' AND T1.FirstName = 'Robert' AND T1.LastName = 'King'