Question: who plays theon greyjoy sister in game of thrones
[{'answer': 'Gemma Elizabeth Whelan', 'provenance': [{'wikipedia_id': '32615524', 'title': 'Gemma Whelan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32615524', 'title': 'Gemma Whelan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 0.8696398662122881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14139729603087552665}, 'section': 'Section::::Abstract.'}]}]