CREATE TABLE table_10439 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Tyre" TEXT, "Driver" TEXT, "Rounds" TEXT)

What rounds did Gordini participate in?
SELECT "Rounds" FROM table_10439 WHERE "Constructor" = 'gordini'
SELECT "Rounds" FROM "table_10439" WHERE "Constructor" = 'gordini'