Question: who played maureen in ricki and the flash
[{'answer': 'Audra McDonald', 'provenance': [{'wikipedia_id': '44129723', 'title': 'Ricki and the Flash', 'start_paragraph_id': 1, 'start_character': 308, 'end_paragraph_id': 1, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]