Show all dates of transactions whose type code is "SALE".
SELECT date_of_transaction FROM TRANSACTIONS WHERE transaction_type_code  =  "SALE"
SELECT date_of_transaction FROM TRANSACTIONS WHERE transaction_type_code  =  "SALE"
[{'date_of_transaction': '1988-09-16 19:02:51'}, {'date_of_transaction': '1979-04-27 06:03:59'}, {'date_of_transaction': '2004-01-18 20:37:50'}, {'date_of_transaction': '1981-01-28 08:07:03'}, {'date_of_transaction': '2000-04-03 20:55:43'}, {'date_of_transaction': '1983-11-01 17:57:27'}, {'date_of_transaction': '2002-04-07 20:28:37'}]