Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

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.
Answer : 4 August 1977
The year Antonio Machin died was what?

Context : Dotson Ice Shelf is an ice shelf about 30 miles (50 km) wide between Martin Peninsula and Bear Peninsula on the coast of Marie Byrd Land in Antarctica.
Answer : Antarctica
In what continent Dotson Ice Shelf located?

Context : NGC 12 is a spiral galaxy in the Pisces constellation.
Answer : Pisces
What constellation is home to NGC 12?