Task: Text to Code
Input (English): Step 1: For each row in Campuses table, find the corresponding rows in csu_fees table.
Step 2: find CampusFee of the results of step 1 whose Campuses's Campus equals San Francisco State University and csu_fees's Year equals 2000 and csu_fees's Year equals 1996
Output (English): SELECT T2.CampusFee FROM Campuses AS T1 JOIN csu_fees AS T2 ON T1.Id = T2.Campus WHERE T1.Campus = "San Francisco State University" AND T2.Year = 1996 AND T2.Year = 2000