What is the total quantity of "Telescoping Adjustable Floor Lamp" ordered from central superstores?
"Telescoping Adjustable Floor Lamp" is a "Product Name"; from central superstores refers to Region = 'Central';
SELECT SUM(T1.Quantity) FROM central_superstore AS T1 INNER JOIN product AS T2 ON T1.`Product ID` = T2.`Product ID` WHERE T2.`Product Name` = 'Telescoping Adjustable Floor Lamp'