Thread:Project:Support desk/Table with some information on the right side of the page! How to make it?

Hello, I use Mediawiki 1.18.2 http://www.allwikilyrics.com

I have read all FAQ pages and couldn't find how to make a table on the right side of the page with some description. wikipedia use it as

So that makes a table on the right side of the page with provided information. I can't find such extension. How can I make the same on my wiki website?