Question: What is the current name of the classical ballet company in St. Petersburg, Russia, which employed Anna Johansson back before it's name was changed?
Sentence (from "Anna Johansson"): Anna Christianovna Johansson (Russian: Анна Христиановна Иогансон ) (1860-1917), was a Russian ballerina who danced with the St. Petersburg Imperial Ballet.
Relevant evidence: Yes