CREATE TABLE table_16283 ("Rnd" TEXT, "Race Name" TEXT, "Circuit" TEXT, "City/Location" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Winning team" TEXT, "Report" TEXT)

Which circuits had a race on October 4?
SELECT "Circuit" FROM table_16283 WHERE "Date" = 'October 4'
SELECT "Circuit" FROM "table_16283" WHERE "Date" = 'October 4'