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_37 (interregnum_ended VARCHAR, count_palatine_of_saxony VARCHAR)

### Question ###
What is the Interregnum ended for Count Palatine of Saxony of frederick augustus i, elector of saxony?

### Accurate SQL ###

SELECT interregnum_ended FROM table_name_37 WHERE count_palatine_of_saxony = "frederick augustus i, elector of saxony"