Question: in october 2017 which country declared that the trade agreement with pakistan has been expired
[{'answer': 'Afghanistan', 'provenance': [{'wikipedia_id': '49661529', 'title': 'Afghanistan–Pakistan Transit Trade Agreement', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49661529', 'title': 'Afghanistan–Pakistan Transit Trade Agreement', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 280, 'bleu_score': 0.89876408224168, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5885771057615561193}, 'section': 'Section::::Expiration.\n'}]}]