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_79491 ( "Season" real, "Network" text, "Episodes" real, "Premiered" text, "Ended" text, "DVD set release date" text )

### Question ###
When dis cbs release the DVD set?

### Accurate SQL ###

SELECT "DVD set release date" FROM table_79491 WHERE "Network" = 'cbs'