Siege of Concepcion
{'<entity_0>': 'Siege of Concepcion', '<entity_1>': 'Concepción', '<entity_2>': 'Arauco War', '<entity_3>': 'siege'}
[['Siege of Concepcion', 'location', 'Concepción'], ['Siege of Concepcion', 'instance of', 'siege'], ['Siege of Concepcion', 'part of', 'Arauco War'], ['Siege of Concepcion', 'description', 'siege']]
During the <entity_0> of the <entity_2>, 20,000 warriors of the army of the Mapuche laid <entity_3> to the Spanish garrison and civil population in the fortress of <entity_1>.
['siege']