For how many times has Aimee Bixby ordered the product Xerox 1952?
Xerox 1952 is a "Product Name"; Aimee Bixby ordered refers to "Customer Name" = 'Aimee Bixby';
SELECT COUNT(DISTINCT T2.`Order ID`) 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'