Question: who played saunders in mr smith goes to washington
[{'answer': 'Jean Arthur', 'provenance': [{'wikipedia_id': '62117', 'title': 'Mr. Smith Goes to Washington', 'start_paragraph_id': 1, 'start_character': 110, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '62117', 'title': 'Mr. Smith Goes to Washington', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 601, 'bleu_score': 0.9806740509884301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10518138955119477343}, 'section': 'Section::::Plot.\n'}]}]