“Where do religious school children practice sports?”/“In the prayground.”

A school riddle is:
 
Q: Where do religious school children practice sports?
A: In the prayground.
 
The “playground”/“prayground” pun has been cited in print since at least 2005.
 
     
11 August 2005, The Daily Mirror, “Greg’s Giggle,” pg. 47:
WHERE do religious schoolkids practise sport? In the prayground
       
Hooked on Pirates
Blonde Jokes
spetsnaz
Posted: Fri Feb 10, 2006 7:33 pm
(...)
Where do religious school children practice sports?
In the prayground!
 
Twitter
aloma_beschorne‏
@aloma_beschorne
Where do religious school children practice sports? In the prayground!
5:01 AM - 14 Sep 2009
 
Twitter
Big Jokes‏
@BigJokes
Where do religious school children practice sports? In the prayground!
http://www.youtube.com/watch?v=vme-G41r57s
4:26 PM - 7 Dec 2009
   
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
BookBaby
2014
Pg. ?:
Where do religious school children practice sports?In the prayground
 
YouTube
Ok, here is the joke. Where do religious school children pract…
botcaster inc. bot
Published on Jan 23, 2016
Where do religious school children practice sports?
In the prayground!
 
Twitter
Lucky Score‏
@LuckyScoreNet
Where do religious school children practice
sports?
In the prayground!
#Joke from #SportJokes in #Jokes,  #Humor and #Satire
4:58 PM - 30 Aug 2017