swimming at the 1988 Summer Olympics – men's 400 metre freestyle
{'<entity_0>': 'Jamsil Indoor Swimming Pool', '<entity_1>': "swimming at the 1988 Summer Olympics – men's 400 metre freestyle", '<entity_2>': '23 September 1988'}
[["swimming at the 1988 Summer Olympics – men's 400 metre freestyle", 'point in time', '23 September 1988'], ["swimming at the 1988 Summer Olympics – men's 400 metre freestyle", 'location', 'Jamsil Indoor Swimming Pool'], ["swimming at the 1988 Summer Olympics – men's 400 metre freestyle", 'start time', '23 September 1988'], ["swimming at the 1988 Summer Olympics – men's 400 metre freestyle", 'end time', '23 September 1988']]
The <entity_1> event at the 1988 Summer Olympics took place on <entity_2> at the <entity_0> in Seoul, South Korea.
['Olympic sporting event']