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

Context : Nur-Pashi Kulayev (born 1980), a native of Engenoi, Chechnya, is thought to be the sole survivor of the 32 hostage-takers in the 2004 Beslan school hostage crisis, although Chechen warlord Shamil Basayev denied the claim, stating that one other escaped. 
Question : Which crime led to the conviction of Nur-Pashi Kulayev?
Beslan school hostage crisis

Context : William Brown Macdougall (16 December 1868 -- 20 April 1936) was a Scottish artist, wood engraver, etcher and book illustrator. 
Question : When did the life of William Brown Macdougall end?
20 April 1936

Context : The American coot is listed under ``least concern'' by the IUCN Red List of Endangered Species. 
Question : What status on the endangered list is American coot?

least concern