Question: when did the communist party start in china
[{'answer': '1921', 'provenance': [{'wikipedia_id': '7175', 'title': 'Communist Party of China', 'start_paragraph_id': 1, 'start_character': 355, 'end_paragraph_id': 1, 'end_character': 359, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7175', 'title': 'Communist Party of China', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 684, 'bleu_score': 0.893905514154345, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10056817301515003967}, 'section': 'Section::::Abstract.'}]}]