Question: "The Ballad of Kenneth Parcell" is the fourth episode of the sixth season of the American television comedy series "30 Rock", a guest star in this episode include Mick Foley, a retired American professional wrestler and color commentator currently signed to which organization?
Sentence (from "Mick Foley"): Michael Francis "Mick" Foley Sr. (born June 7, 1965) is a retired American professional wrestler and color commentator currently signed to WWE.
Relevant evidence: Yes