1950–51 Copa Federación de España
{'<entity_0>': '1950–51 Copa Federación de España', '<entity_1>': 'Copa Federación de España'}
[['1950–51 Copa Federación de España', 'sports season of league or competition', 'Copa Federación de España']]
The <entity_0> was the 3rd staging (old competition) of the <entity_1>, a knockout competition for Spanish football clubs in La Liga and Segunda División.
['sports season']