Generate a correct and concise answer for the question based on the words in the context.

Q: Context : The Samozaryadnaya Vintovka Tokareva, Obrazets 1940 goda (``Tokarev Self-loading Rifle, Model of 1940'', Russian: Самозарядная винтовка Токарева, образец 1940 года) or SVT-40 is a Soviet semi-automatic battle rifle. 
Question : What was the year that SVT-40 entered service?

A: 1940
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Q: Context : Antonio Machín (Antonio Abad Lugo Machín; 11 February 1903, in Sagua la Grande, Cuba -- 4 August 1977, in Madrid) was a Cuban singer and musician. 
Question : The year Antonio Machín died was what?

A: 4 August 1977
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Q: Context : The Portrait of Francesco delle Opere is a painting by the Italian Renaissance artist Perugino, dating to 1494 and housed in the Uffizi Gallery, Florence. 
Question : What is the name of the place where Portrait of Francesco delle Opere can be found?

A:
Uffizi
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