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_60 ( location__numbersites__global_local_ VARCHAR, as_number VARCHAR )

### Question ###
Which location has an AS-number of N/A?

### Accurate SQL ###

SELECT location__numbersites__global_local_ FROM table_name_60 WHERE as_number = "n/a"