Question: who won the war of the roses york or lancaster
[{'answer': 'the Lancastrian party'}, {'provenance': [{'wikipedia_id': '30275656', 'title': 'Wars of the Roses', 'start_paragraph_id': 4, 'start_character': 571, 'end_paragraph_id': 4, 'end_character': 974, 'bleu_score': 0.6079979065294171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7632430492174779073}, 'section': 'Section::::Abstract.'}]}]