Question: What hydroelectric dam located on the Little Tennessee River in Swain and Graham counties, North Carolina, United States is home to MINIs on the Dragon is an annual gathering of MINI Coopers in Robbinsville, North Carolina? 
Sentence (from "Cheoah Dam"): The Cheoah Development consists of a dam and powerhouse, the first of several constructed by the Tallassee Power Company, now Tapoco.
Relevant evidence: No