CREATE TABLE table_name_19 (opponents_in_the_final VARCHAR, surface VARCHAR, date VARCHAR)

Who was the opponents in the final on January 5, 2003, on a hard surface?
SELECT opponents_in_the_final FROM table_name_19 WHERE surface = "hard" AND date = "january 5, 2003"
SELECT "opponents_in_the_final" FROM "table_name_19" WHERE "date" = "january 5, 2003" AND "hard" = "surface"