Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : Giorgos Stathakis (Greek: ; born 8 November 1953) is a Greek politician and economist.
Question : What was Giorgos Stathakis's occupation?

Answer: politician

Question: Context : Willie Earl Green was sent to prison in 1983 for the murder of a woman in a South Los Angeles crack house, but after a change in testimony, authorities released him from prison in March 2008.
Question : Which crime Willie Earl Green is considered to have commited?

Answer: murder

Question: Context : LeRoy S. Wirthlin (born 1935) was a professor at Harvard Medical School and later a practicing surgeon.
Question : Where did LeRoy S. Wirthlin study or work?

Answer:
Harvard Medical School