Write SQL query to solve given problem: Count the number of orders made from the store in city with population of 3000000 to 4000000.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.OrderNumber) FROM `Sales Orders` AS T1 INNER JOIN `Store Locations` AS T2 ON T2.StoreID = T1._StoreID WHERE T2.Population BETWEEN 3000000 AND 4000000