Question: Chemainus River is located in a Canadian province that is part of which bioregion ?
Sentence (from "Saint John River (Bay of Fundy)"): The Saint John River (French: "Fleuve Saint-Jean" ; Maliseet: "Wolastoq"( )) is a river, approximately 418 mi long, located principally in the Canadian province of New Brunswick, but also in and arising from the province of Quebec and the U.S. state of Maine.
Relevant evidence: No