CREATE TABLE table_27084 ("Round" FLOAT, "Circuit" TEXT, "Date" TEXT, "Pole position" TEXT, "Fastest lap" TEXT, "Winning driver" TEXT, "Winning team" TEXT)

What is the circuit of round 5?
SELECT "Circuit" FROM table_27084 WHERE "Round" = '5'
SELECT "Circuit" FROM "table_27084" WHERE "Round" = '5'