Question: who sang climb every mountain in the movie the sound of music
[{'answer': 'Margery MacKay', 'provenance': [{'wikipedia_id': '13234265', 'title': "Climb Ev'ry Mountain", 'start_paragraph_id': 6, 'start_character': 532, 'end_paragraph_id': 6, 'end_character': 546, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '13234265', 'title': "Climb Ev'ry Mountain", 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 724, 'bleu_score': 0.8707216829613391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9798445602726065317}, 'section': 'Section::::Background.\n'}]}]