Where is the oldest university in Norway located in which The Ullevål Hageby Line serves as the transportation means?
Ullevål Hageby Line: The Ullevål Hageby Line (Norwegian: "Ullevål Hageby-linjen" ) is a light rail section of the Oslo Tramway. Ullevål Hageby Line:  It serves major institutions such as Oslo University College, Bislett Stadion, Ullevål University Hospital, the University of Oslo and Rikshospitalet.
i don't know