If it wasn't Sansa, it must be dragon Mom Danny.
It was not Cat, and welcome Eversummer
The usual wsarnings apply. Beware of spoilers if you haven't finished all the books.
Indeed it is
Jon, either when approaching Craster's Keep, or when he first saw Mance's Army.
It wasn't DanyDany? about the tribes?
Hmm, Tyrion?