Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_31 (elector VARCHAR, elevator VARCHAR, cardinalatial_title VARCHAR)

### Question ###
What Elector has an Elevator of Alexander III and a Cardinalatial title of Bishop of Palestrina?

### Accurate SQL ###

SELECT elector FROM table_name_31 WHERE elevator = "alexander iii" AND cardinalatial_title = "bishop of palestrina"