Question: What is the date of death of the composer of song Let'S Call The Whole Thing Off?
Sentence (from "Let's Call the Whole Thing Off"): "Let's Call the Whole Thing Off" is a song written by George Gershwin and Ira Gershwin for the 1937 film "Shall We Dance", where it was introduced by Fred Astaire and Ginger Rogers as part of a celebrated dance duet on roller skates.
Relevant evidence: Yes