Question: Tennessee–Tombigbee Waterway and Walhonding Canal, are located in which country?
Sentence (from "Columbus, Mississippi"): Columbus is a city in and the county seat of Lowndes County, Mississippi, United States, located primarily east, but also north and northeast of the Tombigbee River, which is also referred to as the Tennessee-Tombigbee Waterway .
Relevant evidence: No