Operation Hammer
{'<entity_0>': 'Operation Hammer', '<entity_1>': '12 May 1997', '<entity_2>': '07 July 1997'}
[['Operation Hammer', 'start time', '12 May 1997'], ['Operation Hammer', 'end time', '07 July 1997']]
<entity_0> (Turkish: Çekiç Harekâtı) was a cross-border operation by the Turkish Armed Forces into northern Iraq between <entity_1> and <entity_2> against the Kurdistan Workers' Party (PKK).
['military operation']