CREATE TABLE table_41657 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

What date was the match on a hard surface with a score of 6 4, 2 6, 3 6?
SELECT "Date" FROM table_41657 WHERE "Surface" = 'hard' AND "Score" = '6–4, 2–6, 3–6'
SELECT "Date" FROM "table_41657" WHERE "Score" = '6–4, 2–6, 3–6' AND "Surface" = 'hard'