Question: who played margaery tyrell in game of thrones
[{'answer': 'Dormer', 'provenance': [{'wikipedia_id': '10485357', 'title': 'Natalie Dormer', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10485357', 'title': 'Natalie Dormer', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 705, 'bleu_score': 0.740358637726913, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16898256503509489892}, 'section': 'Section::::Abstract.'}]}]