How many league titles has the Norwegian professional football club for which Jan Christiansen played in Trondheim won?
Rosenborg BK Rosenborg Ballklub, commonly referred to simply as Rosenborg (] ) or (especially locally) RBK, is a Norwegian professional football club from Trondheim that plays in the Eliteserien.The club have won a record 24 league titles, eleven Norwegian Football Cup titles and have played more UEFA matches than any other Norwegian team. RBK play their home games at the all-seater Lerkendal Stadion which has a capacity of 21,400. Kåre Ingebrigtsen was appointed head coach in July 2014.
Jan Kristian Fjærestad Jan Kristian Fjærestad (born 4 September 1963) is a retired Norwegian football striker. He played for Moss F.K., and became the Norwegian Premier League's top goalscorer with 18 goals in 1987, the season Moss won the league title.