Fix SQL file

Author: nikiyasimpson

Chapter 2/Using Data Types/SelectCustomerOrdersSum.sql

@@ -1,14 +1,11 @@
-SELECT
-Customer.CustomerID,
+SELECT Customer.CustomerID,
   FirstName,
   LastName,
-  Sum(Email)
+  Sum(TotalDue)
 From Customer
   JOIN Orders on Customer.CustomerID = Orders.CustomerID
 GROUP BY Customer.CustomerID,
   FirstName,
   LastName
 ORDER BY Sum(TotalDue) DESC
-LIMIT 10
-  
-  -- Click on Run on active connection to run
+LIMIT 10 -- Click on Run on active connection to run