That question is, of course, whether Jon Snow is still alive.
Its not hard because hes dead.
Maisie Williams (Arya):My answer is: Yeah, hes dead … Emilia Clarke (Daenerys):Its frustrating.

Credit: CHAD HAGEN for EW
Lena Headey (Cersei):If I told you, Id have to kill you.
Or I just laugh.
Conleth Hill (Varys):You saw him die, so why you asking me?
Gwendoline Christie (Brienne): I only read my bits in the script, so I wouldnt know.
Liam Cunningham (Davos):I say, Yeah, hes dead, hes fking dead.
And people get angry about it!
Alfie Allen (Theon):He lives on not physically.