Kensuke Tanaka (田中 賢介, born May 20, 1981) is a Japanese professional baseball left fielder who plays for the Hokkaido Nippon Ham Fighters of the Nippon Professional Baseball League. He has played for the Hokkaido Nippon-Ham Fighters of Nippon Professional Baseball and the San Francisco Giants of Major League Baseball. Using only the above description and what you know about the world, "Kensuke Tanaka is a Japanese professional baseball player who occasionally cover right field." is definitely correct, incorrect, or inconclusive? 