Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Le tombeau de Couperin is a suite for solo piano by Maurice Ravel, composed between 1914 and 1917, in six movements based on those of a traditional Baroque suite.
Question: What musical instrument was Le tombeau de Couperin created for?
piano