“Who turns the lights off at Halloween?”/“The light’s witch.”

A Halloween riddle is:
 
Q: Who turns the lights off at Halloween?
A: The light’s witch.
 
The “light’s switch”/“light switch” joke has been cited in print since at least 2006.
 
         
Google Books
Penguin Pocket Jokes
By David Pickering
London, UK: Penguin Books
2006
Pg. ?:
Who turns the lights off at Halloween?
The light’s witch.
 
Google Groups: Palace of Adult Humor
Witches Jokes
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11/5/06
(...)
Who turns the lights off at halloween ?
The light’s witch !
   
Twitter
Shea Blackwell-Rock
@shandrab
RT @GuitarDragon: Who turns the lights off at halloween? The light’s witch
9:18 PM - 29 Sep 2009
   
Google Books
Insults Anywhere Kids Presents
Joke Book Of The Living Dead
By Franklin Yantz
Insults Anywhere
2014
Pg. ?:
Who turns the lights off at halloween ?
The light’s witch !
   
Twitter
Madame Monstrosity 💋
@MadmMonstrosity
Bad joke of the day:
Q: Who turns the lights off at Halloween?
A: The light’s witch!
6:48 AM - 20 Feb 2018
 
Twitter
Lucky Score
@LuckyScoreNet
Who turns the lights off at halloween
?
The light’s witch !
#Joke from #HalloweenJokes in #Jokes, #Humor and #Satire
11:10 AM - 16 Mar 2018