Question: who plays the old lady rose in titanic
[{'answer': 'Gloria Frances Stuart', 'provenance': [{'wikipedia_id': '528417', 'title': 'Gloria Stuart', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]