2006 Challenge Cup
The 2006 Challenge Cup ( also known as the Powergen Challenge Cup due to sponsorship from Powergen ) was the Xth tournament played for rugby league's Challenge Cup . 
<triplet> 2006 Challenge Cup <subj> 2006 <obj> point in time <subj> rugby league <obj> sport <subj> Challenge Cup <obj> instance of <triplet> Challenge Cup <subj> rugby league <obj> sport