Question: when was the last time canada was at war
[{'answer': 'September 2014', 'provenance': [{'wikipedia_id': '384176', 'title': 'Military history of Canada', 'start_paragraph_id': 145, 'start_character': 146, 'end_paragraph_id': 145, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::21st century.:Military intervention against ISIL.\n'}]}, {'provenance': [{'wikipedia_id': '384176', 'title': 'Military history of Canada', 'start_paragraph_id': 145, 'start_character': 0, 'end_paragraph_id': 145, 'end_character': 581, 'bleu_score': 0.9396430371117861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12814917206434733520}, 'section': 'Section::::21st century.:Military intervention against ISIL.\n'}]}]