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_13 (regulator VARCHAR, conduct_of_litigation VARCHAR, probate_activities VARCHAR)

### Question ###
What is Regulator, when Conduct of Litigation is Yes, and when Probate Activities is Yes?

### Accurate SQL ###

SELECT regulator FROM table_name_13 WHERE conduct_of_litigation = "yes" AND probate_activities = "yes"