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_55 (transfer_window VARCHAR, status VARCHAR)
### Question:
What is the transfer window for the player whose status was loan ended?
### Answer:
SELECT transfer_window FROM table_name_55 WHERE status = "loan ended"