Column Format (Include the Date in a cell and automatically include it in a "Concatenate" cell)

I am trying to get a formula that would combine texts and dates and display into a cell from a Microsoft Teams List.

(txt)              (date)         (txt)                  (choice)      (txt)

name           Date           completed       Task Sites   Combined list

the closest I've gotten is:

=CONCATENATE("Billy ",+"[$Date]",+"clean",+"[$Task Sites]")

however, after submitting a new list (form) the output is: Billy [$Date] clean [$Task Sites]

name           Date           completed       Task Sites   Combined list