The Women's Title is a championship exclusive to the Raw brand. It appears in Smackdown Vs Raw 2006, Smackdown Vs Raw 2007, Smackdown Vs Raw 2008. Trish Stratus, Mickie James, and Melina are the champions respectively.
Only female wrestlers are able to fight for the Women's title. As Raw is home to the women's division, it is fought for on Raw. As Raw has a decent size of women in it's roster, the title has a decent amount of competition.