What is Petersville's census ranking?
CREATE TABLE table_171356_2 (census_ranking VARCHAR, official_name VARCHAR)
SELECT census_ranking FROM table_171356_2 WHERE official_name = "Petersville"
### Context: CREATE TABLE table_171356_2 (census_ranking VARCHAR, official_name VARCHAR) ### Question: What is Petersville's census ranking? ### Answer: SELECT census_ranking FROM table_171356_2 WHERE official_name = "Petersville"