Database: video_game
Question: What are the titles of games not played by any players who play the Guard position?
SQL:
SELECT Title FROM game EXCEPT SELECT T1.Title FROM game AS T1 JOIN game_player AS T2 ON T1.Game_ID  =  T2.Game_ID JOIN player AS T3 ON T2.Player_ID  =  T3.Player_ID WHERE T3.Position  =  "Guard"