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_171361_1 (official_name VARCHAR, area_km_2 VARCHAR)
### Question:
What is the name of the community with an area of 30.75 sq. km.?
### Answer:
SELECT official_name FROM table_171361_1 WHERE area_km_2 = "30.75"