The USAC Road Racing Championship was a sports car racing series in the United States held from 1958 until 1962. The series was organized by the United States Auto Club as a fully professional alternative to the Sports Car Club of America's SCCA National Sports Car Championship. Using only the above description and what you know about the world, "The organizers are planning a comeback for The USAC Road Racing Championship." is definitely correct, incorrect, or inconclusive? 