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_15 (expected_completion VARCHAR, capacity VARCHAR)
### Question:
What is the year of expected completion when the capacity is 22,500?
### Answer:
SELECT expected_completion FROM table_name_15 WHERE capacity = "22,500"