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_18161217_2 ( estimated_end_date VARCHAR, _clarification_needed_ VARCHAR, cospar_id VARCHAR )

### Question ###
What is the estimated end date for the 2001-037a international designated satellite?

### Accurate SQL ###

SELECT estimated_end_date AS "_clarification_needed_" FROM table_18161217_2 WHERE cospar_id = "2001-037A"