CREATE TABLE table_48441 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partnering" TEXT, "Opponents" TEXT, "Score" TEXT)

Which Tournament has Opponents of marc l pez santiago ventura?
SELECT "Tournament" FROM table_48441 WHERE "Opponents" = 'marc lópez santiago ventura'
SELECT "Tournament" FROM "table_48441" WHERE "Opponents" = 'marc lópez santiago ventura'