“What do you get when you drop a pumpkin?”/“Squash.”

A popular Halloween pumpkin riddle is:
 
Q: What do you get when you drop a pumpkin?
A: Squash.
 
The riddle was posted with other Halloween jokes to the newsgroup alt.jokes.pentium on October 8, 1998.
 
     
25 October 1992, Aberdeen (SD) American News, pg. 7A, col. 1:
Students drop pumpkins in annual squash squash
MORGANTOWN, W.Va. (AP)—Is there a way to drop a pumpkin from the roof of a 10-story building without turning the squash into pie filling?
 
Google Groups: alt.jokes.pentium
Need Children Jokes..Please
HLapla3527
10/8/98
HALLOWEEN Q&A’S
(...)
Q: What do you get when you drop a pumpkin?
A: Squash
 
Google Groups: microsoft.public.inetexplorer.ie4.outlookexpress.stationery
I didn’t get lost…back home..a little Halloween for you
Rocky
10/23/98
(...)
Q: What do you get when you drop a pumpkin?
A: Squash.
 
29 October 1999, Anniston (AL) Star, “Halloween Humor,” pg. 5C, col. 2:
What do you get when you drop a pumpkin?
Squash.
 
Google Groups: .humor.puns
Halloween Puns of the Weak 10/26/01
Stan Kegel
10/27/01
(...)
What do you get when you drop a pumpkin?
Squash (From Gary Hallock)
 
Google Books
Puns Spooken Here:
Word Play for Halloween
By Richard Lederer
Illustrations by Jim McLean
Layton, UT: Wyrick & Company
2006
Pg. 14:
What do you get when you drop a pumpkin?
Squash,
 
20 May 2006, The Coloradoan (Fort Collins, CO), “Pumpkins can add brilliant color to gardens” by Charleen Barr, pg. C2, col. 1:
When is a pumpkin not a pumpkin?
 
When you drop it, then it’s a squash.
 
Google Books
Let’s Eat in the Funny Zone
By Gary Chmielewski
Illustrated by Jim Caputo
CHicago, IL: NorwoodHouse Press
2008
Pg. 13:
What do you get when you drop a pumpkin?
Squash!
   
Twitter
Lady_ChrisTina
‏@Ladie_Christina
@pocketedward Day 18:
Q: What do you get when you drop a pumpkin?
A: Squash
1:09 AM - 19 Oct 2009
 
Google Books
More Laugh-Out-Loud Jokes for Kids
By Rob Elliott
Grand Rapids, MI: Revell
2014
Pg. ?:
Q: What do you get when you drop a pumpkin.
A. Squash.
   
Google Books
Halloween Jokes 4 Kids Part 2
By Peter Crumpton
PeteyRF Creative
2015
Pg.: ?
When is a pumpkin not a pumpkin?
When you drop it; then it’s squash!
   
Google Books
Halloween Jokes For Kids - 51 Jokes!
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What do you get when you drop a pumpkin?
Squash
 
Twitter
Brianna
‏@its_Briyonce
What do you get when you drop a pumpkin? Squash 👻🎃 thx I’ll be here all week
10:08 AM - 31 Oct 2016