ผู้เล่นคนไหนไม่ได้มาจากเดนมาร์ก ?ไม่จำเป็นต้องใช้ทุกโต๊ะ
which players are not from denmark ?It is not neccessary to use all the tables.
 table_203_305:  id [ number]  "round" [ number]  "#" [ number]  "player" [ text]  "nationality" [ text] 
SELECT "player" FROM table_203_305 WHERE "nationality" <> 'denmark'