CREATE TABLE table_38732 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

What is the date of the Sydney, Australia tournament with a hard surface?
SELECT "Date" FROM table_38732 WHERE "Surface" = 'hard' AND "Tournament" = 'sydney, australia'
SELECT "Date" FROM "table_38732" WHERE "Surface" = 'hard' AND "Tournament" = 'sydney, australia'