Question: When was the Russian dramatist who wrote The libretto born?
Sentence (from "Nikolai Khmelnitsky"): Nikolai Ivanovich Khmelnitsky (Николай Иванович Хмельницкий, August 22 [o.s., 11], 1789, Saint Petersburg, Russian Empire, - September 20 [o.s. 8], 1845, Saint Petersburg, Russian Empire) was a Russian dramatist, literary critic and translator.
Relevant evidence: No