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

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

[Q]: Context : Cyclura rileyi cristata, commonly known as the White Cay Iguana or Sandy Cay Rock Iguana, is a critically endangered subspecies of lizard of the genus Cyclura native to a single cay in the Bahamas:
Question : What level is Cyclura rileyi cristata's iucn conservation status?
[A]: critically endangered

[Q]: Context : Alexander Runciman (Edinburgh 15 August 1736 -- 4 October 1785 Edinburgh) was a Scottish painter of historical and mythological subjects.
Question : What was the date of death of Alexander Runciman?
[A]:
4 October 1785