Question: who sang the original song you'll never walk alone
[{'answer': 'Christine Johnson', 'provenance': [{'wikipedia_id': '284977', 'title': "You'll Never Walk Alone", 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '284977', 'title': "You'll Never Walk Alone", 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 202, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 80508786591028207}, 'section': 'Section::::Background.\n'}]}]