คู่หูของทีมที่เผชิญหน้ากับ guillermo garc al pez albert portas บนดินเหนียวคืออะไร? ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What was the partner of the team that faced the guillermo garc a-l pez albert portas on clay?It is not neccessary to use all the tables.
 table_69837:  "Outcome" [ text]  "Date" [ text]  "Surface" [ text]  "Partner" [ text]  "Opponents" [ text]  "Score" [ text] 
SELECT "Partner" FROM table_69837 WHERE "Surface" = 'clay' AND "Opponents" = 'guillermo garcía-lópez albert portas'