Query: What famous ballet company has performed at the Mayflower?
Context: The largest theatre in the city is the 2,300 capacity Mayflower Theatre (formerly known as the Gaumont), which, as the largest theatre in Southern England outside London, has hosted West End shows such as Les Misérables, The Rocky Horror Show and Chitty Chitty Bang Bang, as well as regular visits from Welsh National Opera and English National Ballet. There is also the Nuffield Theatre based at the University of Southampton's Highfield campus, which is the city's primary producing theatre.