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 "MINIs on the Dragon"): The event "headquarters" is in Fontana Village, a quaint vacation resort that was originally built to house the workers as they built the Fontana Dam during World War II.
Relevant evidence: No