What are the distinct move in dates of the residents?
SELECT DISTINCT date_moved_in FROM residents
SELECT DISTINCT date_moved_in FROM residents
[{'date_moved_in': '2017-06-17 15:43:33'}, {'date_moved_in': '2015-03-27 12:00:00'}, {'date_moved_in': '2016-09-27 12:00:00'}]