CREATE TABLE table_name_91 (elector VARCHAR, cardinalatial_title VARCHAR)

Who is the Elector with a Cardinalatial title of Priest of S. Sabina and Archbishop of Reims?
SELECT elector FROM table_name_91 WHERE cardinalatial_title = "priest of s. sabina and archbishop of reims"
SELECT "elector" FROM "table_name_91" WHERE "cardinalatial_title" = "priest of s. sabina and archbishop of reims"