 Complete the following phrase:  Nannskog played for Swedish Landskrona BoIS from 2001 when the club played in second tier Superettan. He was involved in the promotion of Landskrona BoIS to Swedish top tier league, Allsvenskan. And his success continued during the following year. Already in the first match, Nannskog scored a goal as Landskrona BoIS in a remarkable match defeated their old rivals Helsingborgs IF as Landskrona BoIS won 62 in front of an attendance of 12.000 at Landskrona IP. Together with BoIS other forward, Danijel Milovanović, both of them became a feared top-duo that led their recently promoted club to the top position of Allsvenskan at the break for 