Question: the 13th edition of economic cooperation organisation summit was held in which country
[{'answer': 'Islamabad , Pakistan', 'provenance': [{'wikipedia_id': '53190940', 'title': '13th ECO Summit', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53190940', 'title': '13th ECO Summit', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 0.7848518349390631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8759286877246541286}, 'section': 'Section::::Abstract.'}]}]