Question: who led an armed uprising and seized fort garry
[{'answer': 'Louis Riel', 'provenance': [{'wikipedia_id': '146648', 'title': 'Fort Garry', 'start_paragraph_id': 2, 'start_character': 166, 'end_paragraph_id': 2, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '146648', 'title': 'Fort Garry', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 512, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11534468832371768273}, 'section': 'Section::::Abstract.'}]}]