instruction: How large is the Tennessee River?
context: The Tennessee River is the largest tributary of the Ohio River. It is approximately 652 miles (1,049 km) long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names, as the Cherokee people had their homelands along its banks, especially in what are now East Tennessee and northern Alabama. Additionally, its tributary, the Little Tennessee River, flows into it from Western North Carolina and northeastern Georgia, where the river also was bordered by numerous Cherokee towns. Its current name is derived from the Cherokee town, Tanasi, which was located on the Tennessee side of the Appalachian Mountains
response: The Tennessee River is the largest tributary of the Ohio River.   It is approximately 650 miles long and located in the southeaster United States.   The river is used for moving cargo and has a long history of enjoyment by families residing on the bank.   A great section of the river is located near Spring City, TN at the Watts Barr Dam