1953 Primera División de Chile
{'<entity_0>': '1953 Primera División de Chile', '<entity_1>': 'Club Social y Deportivo Colo Colo'}
[['1953 Primera División de Chile', 'winner', 'Club Social y Deportivo Colo Colo']]
The <entity_0> was first tier's 21st season which <entity_1> reached its sixth professional title.
['sports season']