<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>Show all dates of transactions whose type code is "SALE".

SQL Table Create Statement:
CREATE TABLE TRANSACTIONS (date_of_transaction VARCHAR, transaction_type_code VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT date_of_transaction FROM TRANSACTIONS WHERE transaction_type_code = "SALE"</codeend><|end|>