CREATE TABLE table_71579 ("Elector" TEXT, "Order" TEXT, "Title" TEXT, "Elevated" TEXT, "Elevator" TEXT)

What's the Elevator that has Elevated: 1378, September 18, an Order of Cardinal-Priest, and an Elector of Poncello Orsini?
SELECT "Elevator" FROM table_71579 WHERE "Elevated" = '1378, september 18' AND "Order" = 'cardinal-priest' AND "Elector" = 'poncello orsini'
SELECT "Elevator" FROM "table_71579" WHERE "Elector" = 'poncello orsini' AND "Elevated" = '1378, september 18' AND "Order" = 'cardinal-priest'