Question: What private railway company is based in an Italian city that had a population of 326,799 as of 2015?
Sentence (from "Bari"): Bari (]    ) (Bari dialect: Bare; ; Ancient Greek: "Βάριον" , "Bárion") is the capital city of the Metropolitan City of Bari and of the Apulia region, on the Adriatic Sea, in Italy.
Relevant evidence: No