1981 British Speedway League
{'<entity_0>': '1981 British Speedway League', '<entity_1>': 'British League', '<entity_2>': 'motorcycle speedway', '<entity_3>': '1981'}
[['1981 British Speedway League', 'point in time', '1981'], ['1981 British Speedway League', 'sport', 'motorcycle speedway'], ['1981 British Speedway League', 'sports season of league or competition', 'British League']]
The <entity_0> was the 17th season of the <entity_1>, the top tier of <entity_2> in the UK since 1965. The <entity_3> <entity_1> Knockout Cup was the 43rd edition of the Knockout Cup for tier one teams.
['sports season']