CREATE TABLE table_79949 ("Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Winning constructor" TEXT, "Report" TEXT)

Who was the winning constructor at the circuit of parioli?
SELECT "Winning constructor" FROM table_79949 WHERE "Circuit" = 'parioli'
SELECT "Winning constructor" FROM "table_79949" WHERE "Circuit" = 'parioli'