CREATE TABLE table_69837 ("Outcome" TEXT, "Date" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents" TEXT, "Score" TEXT)

What was the partner of the team that faced the guillermo garc a-l pez albert portas on clay?
SELECT "Partner" FROM table_69837 WHERE "Surface" = 'clay' AND "Opponents" = 'guillermo garcía-lópez albert portas'
SELECT "Partner" FROM "table_69837" WHERE "Opponents" = 'guillermo garcía-lópez albert portas' AND "Surface" = 'clay'