question: What is the title of the earliest known recording of Chopin 's work ?
answer: Nocturne in E major Op. 62 No. 2
turker_answer: the title of the earliest known recording of Chopin 's work is Nocturne in E major Op. 62 No. 2
rule-based: The title of the earliest known recording of Chopin 's work is Nocturne in E major Op. 62 No. 2 .