Question: who was the original singer of when you wish upon a star
[{'answer': 'Cliff Edwards', 'provenance': [{'wikipedia_id': '2354636', 'title': 'When You Wish Upon a Star', 'start_paragraph_id': 1, 'start_character': 165, 'end_paragraph_id': 1, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]