Question: who sang the song it's only make believe
[{'answer': 'Conway Twitty', 'provenance': [{'wikipedia_id': '5637583', 'title': "It's Only Make Believe", 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]