List all the territories where Laura Callahan is in charge.
territories refers to TerritoryDescription; Laura Callahan is the full name of an employee; full name refers to FirstName, LastName
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.FirstName = 'Laura' AND T1.LastName = 'Callahan'
database name:db_id retail_world
Categories table Categories Cols: Category ID dtype integer, Category Name dtype text, Description dtype text, 
Customers table Customers Cols: Customer ID dtype integer, Customer Name dtype text, Contact Name dtype text, Address dtype text, City dtype text, Postal Code dtype text, Country dtype text, 
Employees table Employees Cols: Employee ID dtype integer, Last Name dtype text, First Name dtype text, Birth Date dtype date, Photo dtype text, Notes dtype text, 
Shippers table Shippers Cols: Shipper ID dtype integer, Shipper Name dtype text, Phone dtype text, 
Suppliers table Suppliers Cols: Supplier ID dtype integer, Supplier Name dtype text, Contact Name dtype text, Address dtype text, City dtype text, Postal Code dtype text, Country dtype text, Phone dtype text, 
Products table Products Cols: Product ID dtype integer, Product Name dtype text, Supplier ID dtype integer, Category ID dtype integer, Unit dtype text, Price dtype real, 
Orders table Orders Cols: Order ID dtype integer, Customer ID dtype integer, Employee ID dtype integer, Order Date dtype datetime, Shipper ID dtype integer, 
OrderDetails table OrderDetails Cols: order detail id dtype integer, Order ID dtype integer, Product ID dtype integer, Quantity dtype integer, 
