Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"