Question: when did the song sounds of silence come out
[{'answer': 'September 1965', 'provenance': [{'wikipedia_id': '461959', 'title': 'The Sound of Silence', 'start_paragraph_id': 2, 'start_character': 527, 'end_paragraph_id': 2, 'end_character': 541, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '461959', 'title': 'The Sound of Silence', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 541, 'bleu_score': 0.8197493261220671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 806087473657192352}, 'section': 'Section::::Abstract.'}]}]