Task: Text to Code
Input (English): Step 1: For each row in game table, find corresponding rows in stadium table and in injury_accident table.
Step 2: find name, Player, Source of the results of step 1 whose Injury not equals Knee problem
Output (English): SELECT T1.name , T3.Player , T3.Source FROM stadium AS T1 JOIN game AS T2 ON T1.id = T2.stadium_id JOIN injury_accident AS T3 ON T2.id = T3.game_id WHERE T3.Injury ! = "Knee problem"