Question: who plays miriam in a discovery of witches
[{'answer': 'Aiysha Hart', 'provenance': [{'wikipedia_id': '57306191', 'title': 'A Discovery of Witches (TV series)', 'start_paragraph_id': 1, 'start_character': 287, 'end_paragraph_id': 1, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]