In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Lincoln County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 44,828, making it the third-most populated county in the state. Its county seat is Canton. The county was named after Abraham Lincoln, 16th President of the United States., Lake Alvin is an artificial lake in Lincoln County, South Dakota between Harrisburg, South Dakota and Granite, Iowa. The lake is formed by a dam on Nine Mile Creek just before it enters the Big Sioux River, east of Harrisburg. It is part of a recreational area., A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is used in the United States, Canada, Romania, China and Taiwan. In the United Kingdom and Ireland, county towns have a similar function., The Big Sioux River is a tributary of the Missouri River, 419 miles (674 km) long, in eastern South Dakota and northwestern Iowa in the United States. The United States Board on Geographic Names settled on "Big Sioux River" as the stream's name in 1931. The river was named after the Lakota people (Sioux Indians)., James M. Wahl (Given name: Jens Magnus Wahl) (January 7, 1846 - February 9, 1939) was a pioneer Norwegian American settler in South Dakota. He served as the first legislator of Lincoln County, South Dakota in the Dakota Territorial Legislature. , South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux Native American tribes, who compose a significant portion of the population and historically dominated the entire territory. South Dakota is the 17th most expansive, but the 5th least populous and the 5th least densely populated of the 50 United States. Once the southern portion of the Dakota Territory, South Dakota became a state on November 2, 1889, simultaneously with North Dakota. Pierre is the state capital and Sioux Falls, with a population of about 171,000, is South Dakota's largest city., The Canton Indian Insane Asylum , aka Hiawatha Insane Asylum , was a federal facility for Native Americans located in Canton , South Dakota between 1898 and 1934 ., Canton is a city in and the county seat of Lincoln County, South Dakota, United States. Canton is located 20 minutes south of Sioux Falls in southeastern South Dakota. Canton is nestled in the rolling hills of the Sioux Valley, providing an abundance of recreational activities with the Big Sioux River bordering the eastern side, Newton Hills State Park to the south, and Lake Alvin to the north. The city was named by Norwegian settler and former legislator James M. Wahl. The population is estimated to be 3,331 as of 2015., Subject: canton indian insane asylum, Relation: located_in_the_administrative_territorial_entity, Options: (A) alvin (B) canada (C) canton (D) center (E) dakota (F) dakota territory (G) east (H) iowa (I) ireland (J) lincoln (K) newton (L) north (M) of (N) river (O) south (P) taiwan (Q) united kingdom (R) wahl
iowa