Question: who played marian the librarian in the music man
[{'answer': 'Shirley Jones', 'provenance': [{'wikipedia_id': '4845241', 'title': 'The Music Man (1962 film)', 'start_paragraph_id': 1, 'start_character': 89, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4845241', 'title': 'The Music Man (1962 film)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1145, 'bleu_score': 0.967791183805455, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10229472998923354216}, 'section': 'Section::::Plot.\n'}]}]