swimming at the 1983 Pan American Games – women's 4 × 100 metre medley relay
{'<entity_0>': "swimming at the 1983 Pan American Games – women's 4 × 100 metre medley relay", '<entity_1>': 'swimming', '<entity_2>': '1983'}
[["swimming at the 1983 Pan American Games – women's 4 × 100 metre medley relay", 'point in time', '1983'], ["swimming at the 1983 Pan American Games – women's 4 × 100 metre medley relay", 'sport', 'swimming']]
The <entity_0> competition of the <entity_1> events at the <entity_2> Pan American Games took place on 21 August.
['sporting event']