From the Answer Man column in Action Comics #503 (1980):
Sigh...you've won, Eugene Tan. Damn you and your 32 year-old wishes!!
(Of course, if he wanted to get rid of the hero Kid Flash, and not just Wally West, well, you lose, Mr. Tan!!)
Meanwhile, from that same month's House Of Mystery #276:
Yes, better we should ask, "What's happened to Wonder Girl?" Or, more specifically, "what's happened to Donna Troy?"