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_242785_3 (main_legion_base VARCHAR, date_disband VARCHAR)

### Question ###
What is the main legion base that disbanded 70 xx?

### Accurate SQL ###

SELECT main_legion_base FROM table_242785_3 WHERE date_disband = "70 XX"