Question: Which influential rock guitarist co-wrote "Finish What Ya Started" with Sammy Hagar in 1988 and was later named the number one guitarist by "Guitar World" magazine?
Sentence (from "Eddie Van Halen"): He is best known as the lead guitarist, occasional keyboardist and co-founder of the American hard rock band Van Halen and is considered as one of the most influential guitarists in the history of rock music.
Relevant evidence: No