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_54321 ( "Code" real, "Type" text, "Name" text, "Area (km 2 )" real, "Population" real, "Regional County Municipality" text, "Region" real )

### Question ###
What is the population total for saint-wenceslas with a region number of under 17?

### Accurate SQL ###

SELECT SUM("Population") FROM table_54321 WHERE "Name" = 'saint-wenceslas' AND "Region" < '17'