athletics at the 2016 Summer Olympics – men's 400 metres
{'<entity_0>': 'Wayde van Niekerk', '<entity_1>': "athletics at the 2016 Summer Olympics – men's 400 metres", '<entity_2>': '2016', '<entity_3>': '12 August 2016', '<entity_4>': '14 August 2016'}
[["athletics at the 2016 Summer Olympics – men's 400 metres", 'start time', '12 August 2016'], ["athletics at the 2016 Summer Olympics – men's 400 metres", 'end time', '14 August 2016'], ["athletics at the 2016 Summer Olympics – men's 400 metres", 'point in time', '2016'], ["athletics at the 2016 Summer Olympics – men's 400 metres", 'winner', 'Wayde van Niekerk']]
The <entity_1> event at the <entity_2> Summer Olympics took place between <entity_3> and <entity_4> at the Olympic Stadium. The event was won by <entity_0> of South Africa, the nation's second gold medal in the <entity_1> (after Bevil Rudd in 1920).
['Olympic sporting event']