Question: How many stored does the American fast food restaurant franchise that sponsored Subway 400 have? 
Sentence (from "Subway 400"): From 1966 to 1995, a 500-mile (805-km) race was held; the race was known as the Peach Blossom 500 (1966), the Carolina 500 (1967–1985), and the Goodwrench 500 (1986–1995).
Relevant evidence: No