What's the Elevator that has Elevated: 1378, September 18, an Order of Cardinal-Priest, and an Elector of Poncello Orsini?
CREATE TABLE "cardinal_electors" (
  "elector" text,
  "order" text,
  "title" text,
  "elevated" text,
  "elevator" text
);
SELECT "elevator" FROM "cardinal_electors" WHERE "elevated"='1378, september 18' AND "order"='cardinal-priest' AND "elector"='poncello orsini';