swimming at the 2008 Summer Olympics – men's 400 metre freestyle
{'<entity_0>': 'Beijing National Aquatics Center', '<entity_1>': "swimming at the 2008 Summer Olympics – men's 400 metre freestyle", '<entity_2>': 'Park Tae-Hwan', '<entity_3>': '09 August 2008', '<entity_4>': 'swimming', '<entity_5>': '2008'}
[["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'point in time', '2008'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'location', 'Beijing National Aquatics Center'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'point in time', '09 August 2008'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'winner', 'Park Tae-Hwan'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'sport', 'swimming'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'start time', '09 August 2008'], ["swimming at the 2008 Summer Olympics – men's 400 metre freestyle", 'end time', '09 August 2008']]
The <entity_1> event at the <entity_5> Olympic Games took place on <entity_3>–10 August at the <entity_0> in Beijing, China. Reigning world champion <entity_2> made an Olympic milestone to become South Korea's first ever gold medalist in <entity_4>.
['Olympic sporting event']