Question: What is the name of the land controversy James Sinclair was attempting to win after being authorized by the Hudson's Bay Company?
Sentence (from "Fort Walla Walla–Fort Colville Military Road"): Brevet Major Lugenbeel followed the long established Indian trail, then Hudson Bay Company brigade trail from the U.S. Fort Walla Walla area to Hudson Bay Company Fort Colvile, but had to leave the trail at current Orin-Rice Road, two miles south of Colville, where the southernmost land claims of the Hudson Bay Company fort began.
Relevant evidence: No