ในเกมปี 1997 มีคนทำคะแนนได้กี่คน ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
how many different people scored in the 1997 game ?It is not neccessary to use all the tables.
 table_204_770:  id [ number]  "season" [ number]  "date" [ text]  "result" [ text]  "scorers" [ text]  "stadium" [ text] 
SELECT "scorers" FROM table_204_770 WHERE "season" = 1997