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_20174050_1 ( release_date VARCHAR, target__number VARCHAR )

### Question ###
When was the audio book with target number 069 69 released?

### Accurate SQL ###

SELECT release_date FROM table_20174050_1 WHERE target__number = "069 69"