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 Students (first_name VARCHAR, current_address_id VARCHAR, permanent_address_id VARCHAR)

### Question ###
Whose permanent address is different from his or her current address? List his or her first name.

### Accurate SQL ###

SELECT first_name FROM Students WHERE current_address_id <> permanent_address_id