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

Ex Input:
Context : In 2006, Early Abstractions was selected to the National Film Registry by the Librarian of Congress for its ''cultural, historical, or aesthetic significance''.
Question : What was the award received by Early Abstractions?

Ex Output:
National Film Registry

Ex Input:
Context : Sigmund Selberg (11 August 1910 -- 20 April 1994) was a Norwegian mathematician.
Question : What was Sigmund Selberg's occupation?

Ex Output:
mathematician

Ex Input:
Context : Fred Kaan died in Penrith on 4 October 2009, having suffered from Alzheimer's disease and cancer in his last years.
Question : What led to Fred Kaan's death?

Ex Output:
Alzheimer's disease