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_24257833_4 (minor_version VARCHAR, release_date VARCHAR)

### Question ###
What was the minor version released on April 16, 2008?

### Accurate SQL ###

SELECT minor_version FROM table_24257833_4 WHERE release_date = "April 16, 2008"