Database: regional_sales
Question: Calculate the average monthly order and percentage of warehouse "WARE-NMK1003" in 2019. Among them, mention number of orders for floor lamps.
SQL: SELECT CAST(SUM(CASE WHEN T2.WarehouseCode = 'WARE-NMK1003' THEN 1 ELSE 0 END) AS REAL) / 12 , CAST(SUM(CASE WHEN T2.WarehouseCode = 'WARE-NMK1003' THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T2.OrderNumber), COUNT(CASE WHEN T1.`Product Name` = 'Floor Lamps' AND T2.WarehouseCode = 'WARE-NMK1003' THEN T2.`Order Quantity` ELSE NULL END) FROM Products AS T1 INNER JOIN `Sales Orders` AS T2 ON T2._ProductID = T1.ProductID WHERE T2.OrderDate LIKE '%/%/19'