Smart Filters for SQL questions

I noticed that if I just view on table I have possibility to add smart filters and ordering for each column, depending on column type out of the box:

For SQL questions, if I click on column header, I only get this:

Can I have the smart filtering available for SQL questions as well, or I need to add each filter with variables in the SQL itself?

Hi @SantasHelper
Metabase cannot parse SQL, so you'll either need to create variables and use those in the question, or use the SQL question as the base for GUI questions by clicking "Explore results" (you cannot use variables when doing that).