CREATE TABLE table_78929 ("Elector" TEXT, "Place of birth" TEXT, "Cardinalatial title" TEXT, "Elevated" TEXT, "Elevator" TEXT)

What is the Elevator of the Elected Elevated on September 21, 1179?
SELECT "Elevator" FROM table_78929 WHERE "Elevated" = 'september 21, 1179'
SELECT "Elevator" FROM "table_78929" WHERE "Elevated" = 'september 21, 1179'