Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Q: Context: 1836 Komarov, provisional designation 1971 OT, is a main-belt asteroid discovered on 26 July 1971 by Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnyj. 
 Question: Who discovered 1836 Komarov?
A: 
nikolai chernykh