1997–98 Tamil Nadu Legislative Assembly by-election
{'<entity_0>': '1997', '<entity_1>': '1997–98 Tamil Nadu Legislative Assembly by-election'}
[['1997–98 Tamil Nadu Legislative Assembly by-election', 'point in time', '1997']]
<entity_1> to Pudukottai constituency was held in Tamil Nadu on <entity_0>.
['election', 'by-election']