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_25200461_9 ( d_r_spread VARCHAR, no_party_preference VARCHAR )

### Question ###
What is the d-r spread if the no party preference is 31.8%?

### Accurate SQL ###

SELECT d_r_spread FROM table_25200461_9 WHERE no_party_preference = "31.8%"