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_28 (staterooms INTEGER, guests INTEGER)
### Question:
What is the number of staterooms when guests was larger than 210?
### Answer:
SELECT AVG(staterooms) FROM table_name_28 WHERE guests > 210