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_18710512_3 (format VARCHAR, other_details VARCHAR)

### Question ###
What format for the release that had 2000 copies?

### Accurate SQL ###

SELECT format FROM table_18710512_3 WHERE other_details = "2000 copies"