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_41 ( subregion VARCHAR, no_p VARCHAR, pop_area__1_km²_ VARCHAR )

### Question ###
Which Subregion has a No P. of 4, and a Pop/Area (1/km ) of 534?

### Accurate SQL ###

SELECT subregion FROM table_name_41 WHERE no_p = 4 AND pop_area__1_km²_ = 534