Question: In 2012 Michael Malitowski and partner Joanna Leunis won first place at a festival held at what ballroom?
Sentence (from "Blackpool Dance Festival"): The 8-day Blackpool Dance Festival is the world's first and most famous annual ballroom dance competition of international significance, held in the Empress Ballroom at the Winter Gardens, Blackpool, England since 1920.
Relevant evidence: Yes