John Gill Commentary Luke 20:27

"And there came to him certain of the Sadducees, they that say that there is no resurrection;" — Luke 20:27 (ASV)

Ver. 27 Then came to him certain of the Sadducees
That is, "to Jesus", as the Persic version expresses it; and it was the same day, as Matthew says, on which the disciples of the Pharisees, and the Herodians, had been with him, putting the question about tribute to him: (Matthew 22:16)

which deny that there is any resurrection ;
that is, of the dead; that there ever was any instance of it, or ever will be: this was the distinguishing tenet of that sect; see (Acts 23:8)

and they asked him ,
the following question, after they had put a case to him.