CREATE TABLE table_35379 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Partnering" CLOB, "Opponents" CLOB, "Score" CLOB)

Opponents of sebasti n decoud santiago giraldo had what surface?
SELECT "Surface" FROM table_35379 WHERE "Opponents" = 'sebastián decoud santiago giraldo'
SELECT "Surface" FROM "table_35379" WHERE "Opponents" = 'sebastián decoud santiago giraldo'