You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What Russian city are both Mariinsky Ballet and Arthur Saint-Léon located?" whose answer is Saint Petersburg.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Mariinsky Ballet location
Useful Output:

Doc 1: Hello, can anyone tell me if the Mariinsky Ballet has a "season" in St. Petersburg? For example, the Paris Opera Ballet season is in
Doc 2: Mariinsky Theatre, Russian imperial theatre in St. Petersburg. The theatre opened in 1860 and was named for Maria Aleksandrovna, wife of the reigning tsar.
Doc 3: Mariinsky Ballet is a professional ballet company based in St. Petersburg, Russia. Discover upcoming ballet performances by Mariinsky plus related news.
Doc 4: This was based at the Bolshoi Theatre in St Petersburg (1783–1860) and then at the Mariinsky Theatre, although the company continued to perform at the Bolshoi
Doc 5: Features: The Mariinsky Ballet will be presents the classical ballet Don Quixote at opera house of NCPA in Beijing from November 28 to November