instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Giles Matthey was born in Australia to a British father and an Australian mother. 
Question : What city is Giles Matthey from?
answer:
Australia


question:
Context : Khadijeh Saqafi (aka Ghods Iran Saqafi) (1913 -- 21 March 2009) was the wife of Ayatollah Ruhollah Khomeini, the leader of the 1979 Iranian Revolution. 
Question : What is Khadijeh Saqafi's spouse's name?
answer:
Ruhollah Khomeini


question:
Context : Ludwik Gross (September 11, 1904 -- July 19, 1999) was a Polish-American virologist who discovered two different tumor viruses, murine leukemia virus and mouse polyomavirus, capable of causing cancers in laboratory mice. 
Question : What was Ludwik Gross's occupation?
answer:

virologist