Question: who sings lonely day system of a down
[{'answer': 'Daron Malakian', 'provenance': [{'wikipedia_id': '3687441', 'title': 'Lonely Day', 'start_paragraph_id': 1, 'start_character': 144, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3687441', 'title': 'Lonely Day', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 299, 'bleu_score': 0.9118021019905901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17806048940665956753}, 'section': 'Section::::Abstract.'}]}]