CREATE TABLE table_77629 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Tyres" TEXT, "Driver" TEXT, "Rounds" TEXT)

Who is the Constructor for driver Piercarlo Ghinzani and a Ford cosworth dfv 3.0 v8 engine?
SELECT "Constructor" FROM table_77629 WHERE "Driver" = 'piercarlo ghinzani' AND "Engine" = 'ford cosworth dfv 3.0 v8'
SELECT "Constructor" FROM "table_77629" WHERE "Driver" = 'piercarlo ghinzani' AND "Engine" = 'ford cosworth dfv 3.0 v8'