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_221398_1 ( prefecture VARCHAR, number_in_map VARCHAR )

### Question ###
What prefecture is listed in the map as number 39?

### Accurate SQL ###

SELECT prefecture FROM table_221398_1 WHERE number_in_map = "39"