Question: Hallalhotsoot and Chief Joseph were famous members of a native American clan from which U.S. state?
Related documents: [0]  [DOC] Hallalhotsoot, also Hal-hal-tlos-tsot or "Lawyer" (c. 1797–1876) was a leader of the Niimíipu (Nez Perce) and among its most famous, after Chief Joseph. He was the son of Twisted Hair, who welcomed and befriended the exhausted Lewis and Clark Expedition in 1805. [END] 
[1]  [DOC] Hin-mah-too-yah-lat-kekt, Hinmatóowyalahtq̓it in Americanist orthography, popularly known as Chief Joseph or Young Joseph (March 3, 1840 – September 21, 1904), succeeded his father Tuekakas (Chief Joseph the Elder) as the leader of the Wal-lam-wat-kain (Wallowa) band of Nez Perce, a Native American tribe indigenous to the Wallowa Valley in northeastern Oregon, in the interior Pacific Northwest region of the United States. [END] 
Answer: 
Oregon
Oregon