Question: who played alice in seven brides for seven brothers
[{'answer': 'Nancy Kilgas', 'provenance': [{'wikipedia_id': '60174', 'title': 'Seven Brides for Seven Brothers', 'start_paragraph_id': 23, 'start_character': 39, 'end_paragraph_id': 23, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]