Table for the 2 triples with object Three Impromptus for piano, called "Drei Klavierstücke" sorted by label

Subject	Predicate
?:2b1c1bf7c9d1	ns1:produced_work
?:Impromptus_%28Schubert%29%23Three_Klavierst%2EC3%2EBCcke_-_D%2E_946	foaf:primaryTopic