Given the database description below: Tb_Supplier(Supp_ID, Name, City, State) Tb_Consumer(Con_ID, Name, City, State) Tb_Product(Prod_ID, Name, Product_Category, Product_Line, Product_Packaging) Tb_Offers(Supp_ID, Prod_ID, Quantity, Price) Tb_Requests(Con_ID, Prod_ID, Quantity, Price) Tb_Transactions(Tran_ID, Supp_ID, Con_ID, Prod_ID, Quantity, Price) Tb_Date(DateKey, DateYear, DateMonth, DateMonthName, DateWeek, DateDayOfMonth, DateDayOfWeek, FiscalWeek, IsWeekEnd, IsHoliday, HolidayName) Tb_Time(TimeKey, TheHour, IsLunchHour, IsBusinessHour, ShiftNumber)

SQL Query: For each product list the quantity sold by suppliers in Madison to consumers in Chicago versus the quantity sold by suppliers in Chicago to consumers in Madison (result columns: product name, quantity Madison_Chicago, quantity Chicago_Madison)?