Question: When was the Russian librettist whose work was used in the opera Dubrovsky born?
Sentence (from "Modest Ilyich Tchaikovsky"): Modest Ilyich Tchaikovsky (Russian: Моде́ст Ильи́ч Чайко́вский ; 13 May [O.S. 1 May] 1850 –15 January [O.S. 2 January] 1916 ) was a Russian dramatist, opera librettist and translator.
Relevant evidence: Yes