Question: Which Salvadoran beauty queen lost to Ximena Navarrete in the 2010 Miss Universe pageant?
Sentence (from "Miss Universe 2011"): Leila Lopes of Angola was crowned the winner by outgoing titleholder Ximena Navarrete of Mexico, becoming the fourth African country to win the title after South Africa in 1978, Namibia in 1992 and Botswana in 1999.
Relevant evidence: No