Write SQL query to solve given problem: On what date did the Du monde entier company request that 9 units of Filo Mix be sent to it?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.OrderDate FROM Customers AS T1 INNER JOIN Orders AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN `Order Details` AS T3 ON T2.OrderID = T3.OrderID INNER JOIN Products AS T4 ON T3.ProductID = T4.ProductID WHERE T4.ProductName = 'Filo Mix' AND T3.Quantity = 9 AND T1.CompanyName = 'Du monde entier'