Complex sentence: It took place at the Stade Louis II in Monaco, on 25 August 2006, and featured Barcelona, who won the 2005-06 UEFA Champions League, against Sevilla, who won the 2005-06 UEFA Cup.
Split into simpler sentences: It took place at the Stade Louis II in Monaco, on 25 August 2006. The match wasfeatured Barcelona, who won the 2005-06 UEFA Champions League, against Sevilla, who won the 2005-06 UEFA Cup.