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_232458_1 ( pop_density__per_km²_ VARCHAR, no_of_barangays VARCHAR )

### Question ###
If the number of barangays is 19, what is the population density?

### Accurate SQL ###

SELECT pop_density__per_km²_ FROM table_232458_1 WHERE no_of_barangays = 19