ใครคือคู่หูที่เล่นแมตช์บนสนามหญ้า?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the partner that played a match on a grass court?It is not neccessary to use all the tables.
 table_68336:  "Outcome" [ text]  "Date" [ text]  "Surface" [ text]  "Partner" [ text]  "Opponents" [ text]  "Score" [ text] 
SELECT "Partner" FROM table_68336 WHERE "Surface" = 'grass'