Question: where was the last spike driven in canada
[{'answer': 'November 7 , 1885', 'provenance': [{'wikipedia_id': '2982888', 'title': 'Last Spike (Canadian Pacific Railway)', 'start_paragraph_id': 1, 'start_character': 174, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2982888', 'title': 'Last Spike (Canadian Pacific Railway)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 406, 'bleu_score': 0.9168060593278891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12574203581025081435}, 'section': 'Section::::Abstract.'}]}]