2nd World Science Fiction Convention
{'<entity_0>': '2nd World Science Fiction Convention', '<entity_1>': 'Worldcon', '<entity_2>': 'Illinois', '<entity_3>': 'Chicago', '<entity_4>': '1940', '<entity_5>': '2'}
[['2nd World Science Fiction Convention', 'inception', '1940'], ['2nd World Science Fiction Convention', 'start time', '1940'], ['2nd World Science Fiction Convention', 'instance of', 'Worldcon'], ['Worldcon', 'series ordinal', '2'], ['2nd World Science Fiction Convention', 'location', 'Chicago'], ['2nd World Science Fiction Convention', 'location', 'Illinois']]
The <entity_0> (<entity_1>), also known as Chicon I, was held September 1–<entity_5>, <entity_4>, at the Hotel Chicagoan in <entity_3>, <entity_2>, United States.
['Worldcon', 'science fiction convention']