 Complete the following phrase:  Borussia Dortmund clinched its 6th national championship, thanks to a stellar ending to the season, passing long-time leaders Bayer Leverkusen in the penultimate round, before sealing the title with a win on the final day. It also reached the final of the UEFA Cup, where it had the disadvantage of playing away from home against Feyenoord. With skipper Jürgen Kohler being sent off in his final match of the career, Feyenoord were able to win 32 and deprive Dortmund of its first international title since its famous UEFA Champions League 