In west superstore, what is the name and the shipping mode of the product that was ordered with the shortest shipment time?
name refers to "Product Name"; shipping mode refers to Ship Mode; shortest shipment time refers to min(subtract(Ship Date, Order Date))
SELECT DISTINCT T2.`Product Name`, T1.`Ship Mode` FROM west_superstore AS T1 INNER JOIN product AS T2 ON T1.`Product ID` = T2.`Product ID` WHERE T2.Region = 'West' ORDER BY T1.`Ship Date` - T1.`Order Date` LIMIT 1