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

Ex Input:
Context : All the Little Animals is a 1998 feature film, directed and produced by Jeremy Thomas, based on the novel of the same name by Walker Hamilton. 
Question : Which is the basis of All the Little Animals?

Ex Output:
Walker Hamilton


Ex Input:
Context : The ESO 3.6 m Telescope is an optical reflecting telescope run by the European Southern Observatory at La Silla Observatory, Chile since 1977, with a clear aperture of about 3.6 metres (140 in) and 8.6 m2 (93 sq ft) area. 
Question : In which year was the service entry date for ESO 3.6 m Telescope?

Ex Output:
1977


Ex Input:
Context : Grace Marks (c. 1828 -- after c. 1873) was a Canadian maid who was convicted in 1843 of murder in the death of her employer Thomas Kinnear, and was suspected of murdering his housekeeper, Nancy Montgomery. 
Question : For what crime was Grace Marks prosecuted?

Ex Output:

murder