CREATE TABLE table_36763 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

Which Surface has a Date of 3 october 2003?
SELECT "Surface" FROM table_36763 WHERE "Date" = '3 october 2003'
SELECT "Surface" FROM "table_36763" WHERE "Date" = '3 october 2003'