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_6 ( monarch VARCHAR, assumed_office VARCHAR )

### Question ###
Which monarch assumed office on December 15, 1876?

### Accurate SQL ###

SELECT monarch FROM table_name_6 WHERE assumed_office = "december 15, 1876"