1968 US Open - women's doubles
{'<entity_0>': 'Margaret Court', '<entity_1>': 'Maria Bueno'}
[['Maria Bueno', 'together with', 'Margaret Court']]
Rosemary Casals and Billie Jean King were the defending champions, but lost in the final to <entity_1> and <entity_0>, 4–6, 9–7, 8–6.
['tennis event']