2011 Carolina Challenge Cup
{'<entity_0>': '2011 Carolina Challenge Cup', '<entity_1>': 'D.C. United'}
[['2011 Carolina Challenge Cup', 'winner', 'D.C. United']]
The <entity_0> was contested among Charleston Battery, Chicago Fire, <entity_1>, and Toronto FC, with <entity_1> emerging as repeat champions.
['sports season']