question: In what city was the Miss Universe pageant that Miss Ecuador 1969 competed in?
answer: Las Vegas
context: Title: Miss Ecuador 1969
  Passage: The Miss Ecuador 1969 was held on June 12, 1991.  There were 16 candidates for the national title.  In the end of the night, Virginia Ramos from Guayas crowned to Rossana Vinueza from Guayas as Miss Ecuador 1969.  The Miss Ecuador competed at Miss Universe 1991.
  Title: Miss Ecuador 2015
  Passage: Miss Ecuador 2015, the 61st Miss Ecuador pageant, was held on March 14, 2015.  Alejandra Argudo, Miss Ecuador 2014 from Manabí crowned successor Francesca Cipriani from Guayas as Miss Ecuador 2015.  The winnerrepresented Ecuador at Miss Universe 2015, the 1st Runner-up competed at Miss International 2015, and the 2nd Runner participated at Miss Supranational 2015.
  Title: Miss Universe 1991
  Passage: Miss Universe 1991, the 40th Miss Universe pageant, was held on May 17, 1991 at the Aladdin Theatre for the Performing Arts in Las Vegas, Nevada, USA.  Lupita Jones of Mexico crowned by Mona Grudt of Norway.  Seventy-three contestants competed in the 1991 Miss Universe pageant.
citations: Miss Ecuador 1969 Miss Universe 1991