Question: What is the date of death of the composer of song Barcelona (Freddie Mercury And Montserrat Caballé Song)?
Sentence (from "Freddie Mercury"): Freddie Mercury (born Farrokh Bulsara; 5 September 1946 – 24 November 1991) was a British singer, songwriter, record producer, and lead vocalist of the rock band Queen.
Relevant evidence: Yes