Question: when was the communist party of canada formed
[{'answer': '1921', 'provenance': [{'wikipedia_id': '357609', 'title': 'Communist Party of Canada', 'start_paragraph_id': 1, 'start_character': 94, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '357609', 'title': 'Communist Party of Canada', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 546, 'bleu_score': 0.841584886224626, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3660006442286686805}, 'section': 'Section::::Abstract.'}]}]