I have a dataset and can not figure out how to select rows by date like <01/01/2021. I am missing some key as I have Googled but can't find correct way. So. in other words find for example all rows that are <= 12/01/2020. Thanks. David The dataset columns look like: ![enter image description here](https://community.wolfram.com//c/portal/getImageAttachment?filename=Screenshot2021-02-18180843.png&userId=192397)