1977 Louisville Open
{'<entity_0>': '1977 Louisville Open', '<entity_1>': 'tennis'}
[['1977 Louisville Open', 'sport', 'tennis']]
The <entity_0>, also known as the Louisville International Tennis Classic, was a men's <entity_1> tournament played on outdoor clay courts at the Louisville Tennis Center in Louisville, Kentucky, United States.
['Louisville Open', 'tennis tournament edition']