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_38 (population INTEGER, region VARCHAR, regional_county_municipality VARCHAR, name VARCHAR)

### Question ###
Cowansville has less than 16 regions and is a Brome-Missisquoi Municipality, what is their population?

### Accurate SQL ###

SELECT MIN(population) FROM table_name_38 WHERE regional_county_municipality = "brome-missisquoi" AND name = "cowansville" AND region < 16