Question: The viola organista is a musical instrument designed by Leonardo da Vinci, was an Italian Renaissance polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography, he died in which year?
Sentence (from "Viola organista"): It uses a friction belt to vibrate individual strings (similar to how a violin produces sounds), with the strings selected by pressing keys on a keyboard (similar to an organ).
Relevant evidence: No