CREATE TABLE table_47748 ("Elector" TEXT, "Nationality" TEXT, "Order and title" TEXT, "Elevated" TEXT, "Elevator" TEXT)

The Cardinal-Priest of S. Prassede order and title has who as the elevator?
SELECT "Elevator" FROM table_47748 WHERE "Order and title" = 'cardinal-priest of s. prassede'
SELECT "Elevator" FROM "table_47748" WHERE "Order and title" = 'cardinal-priest of s. prassede'