-- Database schema
| Categories : CategoryID [ INTEGER ] primary_key , CategoryName [ TEXT ] , Description [ TEXT ] | Customers : CustomerID [ INTEGER ] primary_key , CustomerName [ TEXT ] , ContactName [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , PostalCode [ TEXT ] , Country [ TEXT ] | Employees : EmployeeID [ INTEGER ] primary_key , LastName [ TEXT ] , FirstName [ TEXT ] , BirthDate [ DATE ] , Photo [ TEXT ] , Notes [ TEXT ] | Shippers : ShipperID [ INTEGER ] primary_key , ShipperName [ TEXT ] , Phone [ TEXT ] | Suppliers : SupplierID [ INTEGER ] primary_key , SupplierName [ TEXT ] , ContactName [ TEXT ] , Address [ TEXT ] , City [ TEXT ] , PostalCode [ TEXT ] , Country [ TEXT ] , Phone [ TEXT ] | Products : ProductID [ INTEGER ] primary_key , ProductName [ TEXT ] , SupplierID [ INTEGER ] Products.SupplierID = Suppliers.SupplierID , CategoryID [ INTEGER ] Products.CategoryID = Categories.CategoryID , Unit [ TEXT ] , Price [ REAL ] | Orders : OrderID [ INTEGER ] primary_key , CustomerID [ INTEGER ] Orders.CustomerID = Customers.CustomerID , EmployeeID [ INTEGER ] Orders.EmployeeID = Employees.EmployeeID , OrderDate [ DATETIME ] , ShipperID [ INTEGER ] Orders.ShipperID = Shippers.ShipperID | OrderDetails : OrderDetailID [ INTEGER ] primary_key , OrderID [ INTEGER ] OrderDetails.OrderID = Orders.OrderID , ProductID [ INTEGER ] OrderDetails.ProductID = Products.ProductID , Quantity [ INTEGER ] |
-- -- Please list the home phone numbers of the employees who are in charge of the sales in the territories in the Eastern Region.

SELECT T1.HomePhone FROM Employees AS T1 INNER JOIN EmployeeTerritories AS T2 ON T1.EmployeeID = T2.EmployeeID INNER JOIN Territories AS T3 ON T2.TerritoryID = T3.TerritoryID INNER JOIN Region AS T4 ON T3.RegionID = T4.RegionID WHERE T4.RegionDescription = 'Eastern ' GROUP BY T1.HomePhone;