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_21481509_4 ( r1b1c__r_v88_ VARCHAR, total_percentage VARCHAR )

### Question ###
What percentage is listed in column r1b1c (r-v88) for the 4.5% total percentage?

### Accurate SQL ###

SELECT r1b1c__r_v88_ FROM table_21481509_4 WHERE total_percentage = "4.5%"