CREATE TABLE table_47756 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

What is the Date of the match with Opponent in the final of Filip Pol ek?
SELECT "Date" FROM table_47756 WHERE "Opponent in the final" = 'filip polášek'
SELECT "Date" FROM "table_47756" WHERE "Opponent in the final" = 'filip polášek'