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

[Q]: Context : Dušan Majdán (born 8 September 1987) is a male Slovakian racewalker. 
Question : Is Dušan Majdán a male or female?
[A]: male


[Q]: Context : Nicholas Rodda (born 11 October 1992) is a male former water polo player from South Africa. 
Question : Is Nicholas Rodda a male or female?
[A]: male


[Q]: Context : Linnaean taxonomy can mean either of two related concepts: the particular form of biological classification (taxonomy) set up by Carl Linnaeus, as set forth in his Systema Naturae (1735) and subsequent works. 
Question : The Linnaean taxonomy is based upon what?
[A]:
Systema Naturae