1973 South African Open
{'<entity_0>': '1973 South African Open', '<entity_1>': '1973', '<entity_2>': 'South Africa', '<entity_3>': 'tennis'}
[['1973 South African Open', 'sport', 'tennis'], ['1973 South African Open', 'country', 'South Africa'], ['1973 South African Open', 'point in time', '1973']]
The <entity_0> was a combined men's and women's <entity_3> tournament played on outdoor hard courts in Johannesburg, <entity_2> that was part of the <entity_1> Commercial Union Assurance Grand Prix.
['South African Open', 'tennis tournament edition']