Question: who helps arya stark escape king's landing
[{'answer': 'Yoren', 'provenance': [{'wikipedia_id': '41374178', 'title': 'Arya Stark', 'start_paragraph_id': 15, 'start_character': 455, 'end_paragraph_id': 15, 'end_character': 460, 'bleu_score': 1.0, 'section': 'Section::::Storylines.:Novels.:"A Game of Thrones".\n'}]}, {'provenance': [{'wikipedia_id': '41374178', 'title': 'Arya Stark', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 578, 'bleu_score': 0.9806740509884301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15637899513103622479}, 'section': 'Section::::Storylines.:Novels.:"A Clash of Kings".\n'}]}]