In all fairness, I think it depends on what "X" is in your case. If you've decided on Prolog as your language of choice, you are going to be limited to a pool

In all fairness, I think it depends on what "X" is in your case. If you've decided on Prolog as your language of choice, you are going to be limited to a pool of government type candidates and IBM event management gurus. Perl was one of the first mainstream advanced scripting languages to run the Web, so the amount of folks out there that cut their teeth on CGI/Perl is pretty wide and deep. For me, I started writing my first Web apps in Perl, and moved over to PHP.