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_name_85 ( composer_s_ VARCHAR, length VARCHAR )

### Question ###
Who is the composer of the song with a length of 6:24?

### Accurate SQL ###

SELECT composer_s_ FROM table_name_85 WHERE length = "6:24"