Question: who sang i dreamed a dream on glee
[{'answer': 'Shelby', 'provenance': [{'wikipedia_id': '26948860', 'title': 'Dream On (Glee)', 'start_paragraph_id': 5, 'start_character': 421, 'end_paragraph_id': 5, 'end_character': 427, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Rachel', 'provenance': [{'wikipedia_id': '26948860', 'title': 'Dream On (Glee)', 'start_paragraph_id': 1, 'start_character': 431, 'end_paragraph_id': 1, 'end_character': 437, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '26948860', 'title': 'Dream On (Glee)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1091, 'bleu_score': 0.9896100372834851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10871698874470724495}, 'section': 'Section::::Plot.\n'}]}]