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_225099_3 (state__class_ VARCHAR, reason_for_change VARCHAR)

### Question ###
what is the state for reason for change is resigned may 15, 1820?

### Accurate SQL ###

SELECT state__class_ FROM table_225099_3 WHERE reason_for_change = "Resigned May 15, 1820"