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_9 ( inverse_subjunctive VARCHAR, imperative VARCHAR, subjunctive VARCHAR )

### Question ###
What inverse subjunctive has as the imperative and a subjunctive of se m chadn?

### Accurate SQL ###

SELECT inverse_subjunctive FROM table_name_9 WHERE imperative = "—" AND subjunctive = "se måchadn"