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_50 (exit_date VARCHAR, transfer_fee VARCHAR, player VARCHAR)
### Question:
When was the exit date KiatPrawut Saiwaeo who had a transfer fee of released?
### Answer:
SELECT exit_date FROM table_name_50 WHERE transfer_fee = "released" AND player = "kiatprawut saiwaeo"