Database: superstore
Question: What was the quantity of Xerox 1952 ordered by Aimee Bixby on 2014/9/10?
SQL: SELECT SUM(T2.Quantity) FROM people AS T1 INNER JOIN central_superstore AS T2 ON T1.`Customer ID` = T2.`Customer ID` INNER JOIN product AS T3 ON T3.`Product ID` = T2.`Product ID` WHERE T1.`Customer Name` = 'Aimee Bixby' AND T3.`Product Name` = 'Xerox 1952' AND T2.`Order Date` = '2014-09-10'