Question: Who are the Latin pop duo based in Mexico who became popular after the release of their 2002 debut album and performed at Premio Lo Nuestro 2004?
Sentence (from "Sin Bandera"): Sin Bandera (which can be interpreted as "Flagless" or "No Flag") is a Latin pop duo based in Mexico that consisted of Leonel García, and Noel Schajris.
Relevant evidence: Yes