instruction:
Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
question:
Context : The Doorbell Rang is a Nero Wolfe detective novel by Rex Stout, first published by the Viking Press in 1965. 
Answer : Nero Wolfe
answer:
What series is The Doorbell Rang in?


question:
Context : Sir Thomas de Brus (c. 1284 -- 9 February 1307) was a younger brother of King Robert I of Scotland, who supported his brother in the struggle for the crown of Scotland. 
Answer : 9 February 1307
answer:
What year did Thomas de Brus die?


question:
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. 
Answer : Systema Naturae
answer:

The Linnaean taxonomy is based upon what?