I named 6 things before I realized it was a rhetorical question.
Because 7 8 9. (7 ate 9)
You take the letter "f" out of the word "way" (there's no f in way) *joke works best when the person being asked the question has to think about it for some time and says the phrase themselves without realizing what they said
Nothing because ghosts don't exist. Edit:Holy crap I just realized I didn't post this on /r/antijokes.
A rhetorical answer
It's a rhetorical question I know this now