CREATE TABLE table_13706 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

What is the score in the final of the tournament with a hard surface?
SELECT "Score in the final" FROM table_13706 WHERE "Surface" = 'hard'
SELECT "Score in the final" FROM "table_13706" WHERE "Surface" = 'hard'