an Entity references as follows:
The USL First Division (usually referred to as USL-1) was a professional men's soccer league in the United States and Canada from 2005 to 2010. During its existence, it formed the second tier of soccer in the United States soccer league system behind Major League Soccer. It was operated by United Soccer Leagues (USL) and was known as the A-League, from 1997 until 2004.