Please list the territories whose sales are taken in charge by the employees who report to Andrew Fuller.
territories refers to TerritoryDescription;
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.ReportsTo = ( SELECT EmployeeID FROM Employees WHERE FirstName = 'Andrew' AND LastName = 'Fuller' )