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_176521_2 (official_name VARCHAR, area_km_2 VARCHAR)
### Question:
What are the official name(s) of places with an area of 304.06 km2?
### Answer:
SELECT official_name FROM table_176521_2 WHERE area_km_2 = "304.06"