2015 World Championships in Athletics – men's decathlon
{'<entity_0>': "2015 World Championships in Athletics – men's decathlon", '<entity_1>': 'Beijing National Stadium', '<entity_2>': '29'}
[["2015 World Championships in Athletics – men's decathlon", 'location', 'Beijing National Stadium'], ["2015 World Championships in Athletics – men's decathlon", 'number of participants', '29']]
The men's decathlon at the <entity_0> was held at the <entity_1> on 28 August and <entity_2>.
['sporting event']