CREATE TABLE table_name_86 (elector VARCHAR, cardinalatial_title VARCHAR)

Who is the elector that has the cardinalatial title of Deacon of SS. Cosma e Damiano?
SELECT elector FROM table_name_86 WHERE cardinalatial_title = "deacon of ss. cosma e damiano"
SELECT "elector" FROM "table_name_86" WHERE "cardinalatial_title" = "deacon of ss. cosma e damiano"