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_225200_4 (district VARCHAR, reason_for_change VARCHAR)

### Question ###
Name the district for  rep. warren r. davis died during previous congress

### Accurate SQL ###

SELECT district FROM table_225200_4 WHERE reason_for_change = "Rep. Warren R. Davis died during previous congress"