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_84 (area_km_2 INTEGER, population VARCHAR, official_name VARCHAR)

### Question ###
What is the highest area for locations named Centreville having populations over 532?

### Accurate SQL ###

SELECT MAX(area_km_2) FROM table_name_84 WHERE population > 532 AND official_name = "centreville"