Question: when was by the light of the silvery moon written
[{'answer': '1909', 'provenance': [{'wikipedia_id': '5908860', 'title': 'By the Light of the Silvery Moon (song)', 'start_paragraph_id': 1, 'start_character': 189, 'end_paragraph_id': 1, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5908860', 'title': 'By the Light of the Silvery Moon (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 485, 'bleu_score': 0.940939793195775, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15975317576425964731}, 'section': 'Section::::Abstract.'}]}]