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_214920_1 (land_area VARCHAR, density__pop_per_km2_ VARCHAR)
### Question:
What is the land area of the RCM having a density of 21.1?
### Answer:
SELECT land_area FROM table_214920_1 WHERE density__pop_per_km2_ = "21.1"