How many products supplied by Plutzer Lebensmittelgromrkte AG that is currently out of stock and on order?
Plutzer Lebensmittelgromrkte AG refers to CompanyName; is currently out of stock and on order refers to UnitsInStock = 0 and UnitsOnOrder > 0
SELECT COUNT(T1.ProductID) FROM Products AS T1 INNER JOIN Suppliers AS T2 ON T1.SupplierID = T2.SupplierID WHERE T2.CompanyName = 'Plutzer Lebensmittelgromrkte AG' AND T1.UnitsInStock = 0 AND T1.UnitsOnOrder = 0