Teacher:Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Teacher: Now, understand the problem? Solve this instance: 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.
Student:
When was 1836 Komarov first discovered?