“What do you give to a sick lemon?”/“Lemon aid.”

A riddle about lemonade is:
 
Q: What do you give to a sick lemon?
A: Lemon aid.
 
The joke was posted to the newsgroup eunet.jokes on February 27, 1994.
   
 
Google Groups: eunet.jokes
a joke on alt.tasteless??!
redSExy
2/27/94
(...)
Ob Joke: What do you give a sick lemon?
Lemon-aid…
 
7 May 1998, Los Angeles (CA) Times, “Laugh Lines; Pint-Sized Punch Lines,” pg. E3, col. 3:
What do you give a sick lemon? Lemon aid. (Darla Rodriguez, 12, Hacienda Heights, Mesa Robles School)
     
13 April 2009, Sunday Territorian (Darwin, Australia), “Jokes Jokes Jokes,” pg. 32:
WHAT DO YOU GIVE A SICK LEMON? Lemonade.
 
Twitter
Lisa Fair
‏@Inspiring4u2
KID JOKE - Q: What do you give to a sick lemon? A: Lemon aid!
1:01 PM - 9 Nov 2009
 
Google Books
The Mammoth Book of Really Silly Jokes
Edited by Geoff Tibballs
London” Constable & Robinson
2011
Pg. 107:
What do you give to a sick lemon?
Lemon aid.
   
Google Books
101 Amazing Food Jokes
By Jack Goldstein
London: Andrews UK Limited
2013
Pg. ?:
What do you give to a sick lemon?
Lemon aid!
   
Google Books
1001 Kid’s Jokes
By Kay Barnham
London: Arcturus Publishing
2016
Pg. ?:
What do you give to a sick lemon?
Lemon aid.