Question: What is the nationality of the composer of Lento?
Sentence (from "Gia Nadareishvili"): Gia Nadareishvili (Georgian გია ნადარეიშვილი; September 22, 1921 – October 3, 1991) was a Soviet chess composer of Georgian nationality (born in Tbilisi), and author of many books on chess studies.
Relevant evidence: No