Question: ¡Mira Quien Baila! debuted on the Spanish version of an American dance competition television series that premiered on what date?
Sentence (from "Mira Quien Baila (U.S. season 2)"): For the first time two of its contestants are veterans to the dance-floor, Priscilla Angel and Jose Manuel Figueroa both competed in Mexico in El show de los sueños.
Relevant evidence: No