Question: actress who plays regina on once upon a time
[{'answer': 'Lana Maria Parrilla', 'provenance': [{'wikipedia_id': '1582213', 'title': 'Lana Parrilla', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1582213', 'title': 'Lana Parrilla', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 682, 'bleu_score': 0.8929239285517201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5745652758626040363}, 'section': 'Section::::Abstract.'}]}]