Question: who did lady gaga play in american horror story roanoke
[{'answer': 'Scáthach', 'provenance': [{'wikipedia_id': '48519740', 'title': 'American Horror Story: Roanoke', 'start_paragraph_id': 26, 'start_character': 25, 'end_paragraph_id': 26, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Cast and characters.:Recurring.\n'}]}]