How many furniture cushions orders which have date of order in 2018?
furniture cushions orders refer to OrderNumber where Product Name = 'Furniture Cushions'; date of order in 2018 refers to SUBSTR(OrderDate, -2) = '18'
SELECT SUM(CASE WHEN T1.OrderDate LIKE '%/%/18' AND T2.`Product Name` = 'Furniture Cushions' THEN 1 ELSE 0 END) FROM `Sales Orders` AS T1 INNER JOIN Products AS T2 ON T2.ProductID = T1._ProductID