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 TRANSACTIONS (date_of_transaction VARCHAR, transaction_type_code VARCHAR)
### Question:
Show all dates of transactions whose type code is "SALE".
### Answer:
SELECT date_of_transaction FROM TRANSACTIONS WHERE transaction_type_code = "SALE"