CREATE TABLE table_45174 ("Circuit" TEXT, "Location / State" TEXT, "Date" TEXT, "Round winner" TEXT, "Team" TEXT)

On what team did John Bowe round winner at Winton Motor Raceway belong to?
SELECT "Team" FROM table_45174 WHERE "Round winner" = 'john bowe' AND "Circuit" = 'winton motor raceway'
SELECT "Team" FROM "table_45174" WHERE "Circuit" = 'winton motor raceway' AND "Round winner" = 'john bowe'