Question: What number season was the first for the Raide4rs without the commissioner of the AFL in 1966?
Sentence (from "Al Davis"): Prior to becoming the principal owner of the Raiders, he served as the team's head coach from 1963 to 1965 and part owner from 1966 to 1971, assuming both positions while the Raiders were part of the American Football League (AFL).
Relevant evidence: No