“What lottery did the broom win?”/“The sweepstakes.”

A lottery riddle is:
   
Q: What lottery did the broom win?
A: The sweepstakes.
 
The joke was printed in the Biggest Riddle Book in the World (1976) by Joseph Rosenbloom.
 
     
Google Books
Biggest Riddle Book in the World
By Joseph Rosenbloom  
New York, NY: Sterling Publishing Company, Inc.
1976
Pg. 110:
What lottery did the broom win?
The sweepstakes.
     
7 February 1979, Cloverdale (CA) Reveille, “Riddles,” pg. 18, col. 2:
What lottery did the broom win?
The sweepstakes.
 
Google Groups: alt.religion.rabbet
Humor from the Net
Bill McCray
10/26/02
PUNS OF THE WEAK: for the week ending 01/25/02, part 4
(...)
What lottery did the broom win?
The sweepstakes.  (Shelby, 11)
 
Google Groups: alt.humor.puns
Puns of the Weak 01-17-03
Stan Kegel
1/17/03
(...)
What lottery did the broom win?
The sweepstakes. (Archives).
 
Twitter
Hourly Facts
@factstorm
What lottery did the broom win? The sw…-  What lottery did the broom win? The sweepstakes. http://bit.ly/2GKgz
7:01 AM · Jul 3, 2009·Twitter Web Client
   
Twitter
@_MsFine
What lottery did the broom win ??? ..........The sweepstake lol #BoredTweet lol
3:34 AM · Dec 5, 2010·Twitter Web Client
     
Google Books
The Mammoth Book of Really Silly Jokes:
Humour for the whole family
By Geoff Tibballs
London, UK: Constable & Robinson, Ltd
2011
Pg. ?:
What lottery did the broom win?
The sweepstakes.
 
Twitter
bettyboopᴹᴬᴵᴺᴱrs💛
@betty2015boop
Q: Which lottery did the broom win?
A: The sweepstakes!
#DTBYSinagMeetsEx
2:31 AM · Mar 8, 2017·Twitter Web Client
 
Reddit—Cleanjokes
Posted by u/Pandaman2236 December 4, 2019
What do you call a lottery just for brooms?
A sweepstake.