A cowboy riddle is:
   
Q: What is the definition of “derange”?
A: De place where de cowboys ride.
   
The “derange”/“the range” pun has been cited in print since at least 1991.
   
       
Google Books
The Public Speaker’s Joke Book
By Kevin Goldstein-Jackson
Kingswood, UK: Elliot Right Way Books
1991
Pg. 42:
Derange: de place where de cowboys ride home to.
   
Google Books
December 1991, Boys’ Life, “Think & Grin,” pg. 82, col. 2:
Daffynition: Derange — de place where de cowboys ride. — John Peterman, Middletown, R.I.
       
Google Groups: rec.collecting.sport.football
NMBA: Pac/Sky/BL/Pinnacle
James Soe
10/30/95
(...)
DERANGE: A place where de cowboys ride.
   
Twitter
Kevyn_E_Emmye
@Kevyn_E_Emmye
What is the definition of “derange”? De place where de cowboys ride!
1:40 PM - 18 Dec 2009
 
Twitter
Nick Reyes
@visualimguide
Joke - Cow jokes: What is the definition of “derange”?  De place where de ... http://76k.com/j/mugjsy
2:55 PM - 5 Jan 2010
 
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
BookBaby
2014
Pg. ?:
“What is the definition of ““derange”“? De place where de cowboys ride!
 
Twitter
Lucky Score
@LuckyScoreNet
What is the definition of “derange”?
De place
where de cowboys ride!
#Joke from #CowJokes in #Jokes, #Humor and #Satire
10:30 AM - 9 Apr 2018