ใครคือคู่ต่อสู้เมื่อ Devin Gardner เป็นผู้เล่น?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the opponent when Devin Gardner was the player?It is not neccessary to use all the tables.
 table_28313:  "Rank" [ real]  "Player" [ text]  "Year" [ real]  "Opponent" [ text] 
SELECT "Opponent" FROM table_28313 WHERE "Player" = 'Devin Gardner'