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

[Q]: Context : The Eighth Doctor Adventures (sometimes abbreviated as EDA or referred to as the EDAs) are a series of spin off novels based on the long running BBC science fiction television series Doctor Who and published under the BBC Books imprint. 
Question : The Eighth Doctor Adventures is based upon what?
[A]: Doctor Who


[Q]: Context : Yves Lafontaine (born 16 July 1959), is a Canadian musician, luthier and writer. 
Question : What was Yves Lafontaine's occupation?
[A]: luthier


[Q]: Context : Pantyhose Hero, also known as Pantyhose Killer, is a 1990 Hong Kong action comedy film produced by and directed by Sammo Hung. 
Question : Which director worked on Pantyhose Hero?
[A]:
Sammo Hung