CREATE TABLE table_43851 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

On which Surface will Estrella Cabeza Candela play?
SELECT "Surface" FROM table_43851 WHERE "Opponent" = 'estrella cabeza candela'
SELECT "Surface" FROM "table_43851" WHERE "Opponent" = 'estrella cabeza candela'