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_38456 ( "Poll source" text, "Dates administered" text, "Roy Barnes" text, "Thurbert Baker" text, "DuBose Porter" text, "David Poythress" text, "Undecided" text )

### Question ###
What is the DuBose Porter with Roy Barnes at 54%?

### Accurate SQL ###

SELECT "DuBose Porter" FROM table_38456 WHERE "Roy Barnes" = '54%'