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

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'