CREATE TABLE table_48015 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What type of surface did Thomaz Bellucci play against tommy robredo?
SELECT "Surface" FROM table_48015 WHERE "Opponent" = 'tommy robredo'
SELECT "Surface" FROM "table_48015" WHERE "Opponent" = 'tommy robredo'