Question: In what year did this Argentine dancing competition begin airing, in which Bailando 2012 was its eighth Argentinean season?
Sentence (from "Bailando por un Sueño (Argentina season 3)"): The winner was revealed on the season finale, on December 21, 2006: model, TV host and actress Carla Conte, who was paired with the professional dancer, Guillermo Conforte.
Relevant evidence: No