water polo at the 1973 World Aquatics Championships – men's tournament
{'<entity_0>': "water polo at the 1973 World Aquatics Championships – men's tournament", '<entity_1>': '1973', '<entity_2>': 'water polo', '<entity_3>': 'Belgrade', '<entity_4>': 'FINA', '<entity_5>': '1'}
[["water polo at the 1973 World Aquatics Championships – men's tournament", 'sport', 'water polo'], ["water polo at the 1973 World Aquatics Championships – men's tournament", 'edition number', '1'], ["water polo at the 1973 World Aquatics Championships – men's tournament", 'organizer', 'FINA'], ["water polo at the 1973 World Aquatics Championships – men's tournament", 'point in time', '1973'], ["water polo at the 1973 World Aquatics Championships – men's tournament", 'location', 'Belgrade']]
The <entity_0> was the first edition of the men's <entity_2> tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the <entity_4>. The tournament was held from <entity_5> to <entity_1>, and was incorporated into the inaugural <entity_1> World Aquatics Championships in <entity_3>, Yugoslavia.
['sporting event']