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_26 (cbs_airdate VARCHAR, episode VARCHAR, airdate__usa_ VARCHAR)

### Question ###
What is the CBS airdate of the episode with a number under 70 with a USA airdate of 1 April 2005?

### Accurate SQL ###

SELECT cbs_airdate FROM table_name_26 WHERE episode < 70 AND airdate__usa_ = "1 april 2005"