what is the start time and end time of barnaul  which is located  in the administrative  territorial entity  as west sibirean krai?
SELECT ?value1 ?value2 WHERE { wd:Q6014 p:P131 ?s . ?s ps:P131 wd:Q4186485 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }
barnaul: Q6014 west siberian krai: Q4186485