Question: When was a ballet company founded who's most popular performance is a two-act ballet choreographed by Marius Petipa and Lev Ivanov?
Sentence (from "The Nutcracker"): The libretto is adapted from E. T. A. Hoffmann's story "The Nutcracker and the Mouse King", by way of Alexandre Dumas' adapted story "The Nutcracker".
Relevant evidence: No