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_1733457_1 ( kerry_number INTEGER, bush_percentage VARCHAR )

### Question ###
Name the minimum kerry # for bush % for 50.9%

### Accurate SQL ###

SELECT MIN(kerry_number) FROM table_1733457_1 WHERE bush_percentage = "50.9%"