water polo at the 2007 World Aquatics Championships – men's team rosters
{'<entity_0>': "water polo at the 2007 World Aquatics Championships – men's team rosters", '<entity_1>': '2007'}
[["water polo at the 2007 World Aquatics Championships – men's team rosters", 'point in time', '2007']]
These are the rosters of all participating teams at the <entity_0> at the <entity_1> World Aquatics Championships held between 18 March to 1 April in Melbourne, Australia.
['sporting event']