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_name_21 (area__km²_ INTEGER, population VARCHAR, country VARCHAR, rank VARCHAR)
### Question:
What's the smallest area in Russia that is ranked 23 with a population more than 522,800?
### Answer:
SELECT MIN(area__km²_) FROM table_name_21 WHERE country = "russia" AND rank = 23 AND population > 522 OFFSET 800