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_61 ( colonized VARCHAR, charter_range VARCHAR, school VARCHAR )

### Question ###
What is the colonized date for the n/a charter range for appalachian state?

### Accurate SQL ###

SELECT colonized FROM table_name_61 WHERE charter_range = "n/a" AND school = "appalachian state"