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 (Argentine TV series)"): Marcelo Tinelli is the Martín Fierro-winning host in each season, as well in all of the spin-off shows derived from this one like "Cantando por un Sueño" (2006-2007;2011-2012), "Patinando por un Sueño" (2007-2008), "El Musical de tus Sueños" (2009), "Bailando Kids" (2009) and "Soñando por Bailar" (2011-2012).
Relevant evidence: No