Question: who wrote the song after you've gone
[{'answer': 'composed by Turner Layton', 'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'start_paragraph_id': 1, 'start_character': 43, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'lyrics by Henry Creamer', 'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'start_paragraph_id': 1, 'start_character': 74, 'end_paragraph_id': 1, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Turner Layton', 'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'start_paragraph_id': 1, 'start_character': 55, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Henry Creamer', 'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'start_paragraph_id': 1, 'start_character': 84, 'end_paragraph_id': 1, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'composed by Turner Layton with lyrics by Henry Creamer .'}, {'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 549, 'bleu_score': 0.909891904163391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2606280924156843801}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12490611', 'title': "After You've Gone (song)", 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['"After You\'ve Gone" is a 1918 popular song composed by Turner Layton with lyrics by Henry Creamer. It was recorded by Marion Harris on July 22, 1918, and released by Victor Records.', '"After You\'ve Gone" is a 1918 popular song composed by Turner Layton with lyrics by Henry Creamer. It was recorded by Marion Harris on July 22, 1918, and released by Victor Records. The chorus adheres to a standard ABAC pattern but is only 20 measures long. There are four 4-bar phrases, followed by a 4 measure tag. The song is harmonically active, with chord changes almost every measure. The opening four notes are identical to the opening notes of Peg o\' My Heart (1912)at the time songwriters often borrowed the first few notes of a hit melody.', 'lyrics by Henry Creamer']}}]}]