Question: who played audra on star trek the next generation
[{'answer': 'Marta DuBois', 'provenance': [{'wikipedia_id': '52923442', 'title': 'Marta DuBois', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]