Question: How long is the road course in the auto racing track that is across from a United States Air Force installation in Nevada?
Sentence (from "Texas World Speedway"): Texas World Speedway, was built in 1969 and is one of only seven superspeedways of two miles (3 km) or greater in the United States used for racing, the others being Indianapolis, Daytona, Pocono, Talladega, Auto Club, and Michigan (there are several tracks of similar size used for vehicle testing).
Relevant evidence: No