Question: Hayato Arakaki plays for a baseball team that competes in what Nippon Professional Baseball league?
Sentence (from "Hokkaido Nippon-Ham Fighters"): The Hokkaido Nippon-Ham Fighters (北海道日本ハムファイターズ , Hokkaidō Nippon-Hamu Faitāzu ) are a Japanese professional baseball team based in Sapporo, Hokkaidō.
Relevant evidence: No