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

Q: Context : A-Lex is based on the 1962 book A Clockwork Orange by Anthony Burgess, which in 1971 was adapted into a film version by Stanley Kubrick.
Question : The A-Lex is based upon what?

A: A Clockwork Orange
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Q: Context : Otto Preminger died in New York City, New York in 1986, aged 80, from lung cancer while suffering from Alzheimer's disease.
Question : What medical condition did Otto Preminger have at the end of his life?

A: Alzheimer's disease
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Q: Context : Prince Joseph Ferdinand of Saxe-Coburg and Gotha (full name Joseph Ferdinand Maria Michael Gabriel Raphael Gonzaga; 21 May 1869 - 13 August 1888), known in Brazil as Dom Jose Fernando, was a prince of the house of Saxe-Coburg-Gotha.
Question : What was the date of Prince Joseph Ferdinand of Saxe-Coburg and Gotha's death?

A:
13 August 1888
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