Question: ceasefire line of kashmir came into existence in
[{'answer': '3 July 1972', 'provenance': [{'wikipedia_id': '285059', 'title': 'Line of Control', 'start_paragraph_id': 1, 'start_character': 410, 'end_paragraph_id': 1, 'end_character': 421, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '285059', 'title': 'Line of Control', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 689, 'bleu_score': 0.9831208473513011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12081520231814080538}, 'section': 'Section::::Abstract.'}]}]