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_23747 ( "County" text, "Obama%" text, "Obama#" real, "McCain%" text, "McCain#" real, "Total" real )

### Question ###
What percentage of the votes did Obama get in the county where McCain got 3648 votes?

### Accurate SQL ###

SELECT "Obama%" FROM table_23747 WHERE "McCain#" = '3648'