Question: What Saint Petersburg theater did Paul Gerdt star at?
Sentence (from "Pavel Gerdt"): Pavel Andreyevich Gerdt (Russian: Па́вел Андре́евич Ге́рдт ), also known as Paul Gerdt (near Saint Petersburg, Russia, 22 November 1844 – Vamaloki, Finland, 12 August 1917), was the "Premier Danseur Noble" of the Imperial Ballet, the Bolshoi Kamenny Theatre, and the Mariinsky Theatre for 56 years, making his debut in 1860, and retiring in 1916.
Relevant evidence: Yes