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 department ( dname VARCHAR, mgr_start_date VARCHAR )

### Question ###
List all department names ordered by their starting date.

### Accurate SQL ###

SELECT dname FROM department ORDER BY mgr_start_date