Question: what is the song in requiem for a dream
[{'answer': 'Lux Aeterna', 'provenance': [{'wikipedia_id': '9921996', 'title': 'Requiem for a Dream (soundtrack)', 'start_paragraph_id': 1, 'start_character': 366, 'end_paragraph_id': 1, 'end_character': 377, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9921996', 'title': 'Requiem for a Dream (soundtrack)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 738, 'bleu_score': 0.9137361965074751, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17076357828843274339}, 'section': 'Section::::Background.\n'}]}]