modern pentathlon at the 1951 Pan American Games
{'<entity_0>': 'modern pentathlon at the 1951 Pan American Games', '<entity_1>': '1951'}
[['modern pentathlon at the 1951 Pan American Games', 'point in time', '1951']]
<entity_0> was one of 17 sports at the first Pan American Games in <entity_1>, which took place in Buenos Aires, Argentina from 25 February to 3 March.
['Modern pentathlon at the Pan American Games']