British Columbia sales tax referendum, 2011
{'<entity_0>': 'British Columbia sales tax referendum, 2011', '<entity_1>': 'British Columbia', '<entity_2>': '2011', '<entity_3>': 'Canada'}
[['British Columbia sales tax referendum, 2011', 'country', 'Canada'], ['British Columbia sales tax referendum, 2011', 'location', 'British Columbia'], ['British Columbia sales tax referendum, 2011', 'point in time', '2011']]
A <entity_0> was held by postal ballot in <entity_1> from June 13 to <entity_2>, though <entity_3> Post workers were locked out until June 27.
['referendum']