Question: Liz Michelle de León Paz, is a Panamanian beauty pageant contestant winner of the Señorita Panamá 1990 title, and also represented Panama in which 40th Miss Universe pageant, was held on May 17, 1991 at the Aladdin Theatre for the Performing Arts in Las Vegas, Nevada, USA?
Context: Gabriela Deleuze Ducasa (born c. 1965) born Ciudad de Panamá (Panamá), is a Panamanian beauty pageant contestant winner of the Miss Panamá 1987 title.  Also represented Panama in Miss Universe 1987, the "36th Miss Universe" pageant was held at Hall Four at World Trade Centre, Singapore on May 27, 1987.  She was 28th Score in the Preliminary Swimsuit with 7.270 Giselle Amelia González Aranda (] ; born Santiago de Veraguas, Panamá) is a Panamanian beauty pageant contestant winner of the Señorita Panamá 1992 title.  Also represented Panama in Miss Universe 1993, the "42nd Miss Universe" pageant was held at Auditorio Nacional, Mexico City, Mexico on May 21, 1993. Yamani Esther Saied Calviño (born May 12, 1978 in Ciudad de Panamá Panamá) is a Panamanian model and beauty pageant contestant winner of the Señorita Panamá 1998.  She also represented Panama in the Miss Universe 1999, the "48th Miss Universe".  The pageant was held at Chaguaramas Convention Centre, Chaguaramas, Trinidad and Tobago on May 26, 1999. Tanisha Tamara Drummond Johnson (born August 3, 1976 in Ciudad de Colón, Panamá) is a Panamanian model and beauty pageant contestant winner of the Señorita Panamá 1997.  Also represented Panama in Miss Universe 1998, the 47th Miss Universe pageant was held at Stan Sheriff Arena, Honolulu, Hawaii, United States on May 12, 1998. Liz Michelle de León Paz born Ciudad de Panamá (Panamá), is a Panamanian beauty pageant contestant winner of the Señorita Panamá 1990 title.  Also represented Panama in Miss Universe 1991, the "40th Miss Universe" pageant was held at Aladdin Theatre for the Performing Arts, Paradise, United States on May 17, 1991. Gilda García López born c. 1965 in Santiago de Veraguas, Veraguas (Panamá), is a Panamanian beauty pageant contestant winner of the Miss Panamá 1986 title.  Also represented Panama in Miss Universe 1986, the "35th Miss Universe" pageant was held at ATLAPA Convention Center, Panama City, Panama on July 21, 1986.  She won the Best National Costume. Michele Jeanette Sage Navarrete (born November 12, 1969 in Ciudad de Panamá Panamá) is a Panamanian beauty pageant contestant winner of the Señorita Panamá 1994 title.  Also represented Panama in Miss Universe 1995, the "44th Miss Universe" pageant was held at Windhoek Country Club Resort, in Windhoek, Namibia on May 12, 1995.  She was 18 in preliminaries. Ana Cecilia "Chia" Orillac Arías, born Ciudad de Panamá (Panamá), is a Panamanian beauty pageant contestant winner of the Señorita Panamá 1991 title.  Also represented Panama in Miss Universe 1992, the "41st Miss Universe" pageant was held at Queen Sirikit National Convention Center, Bangkok, Thailand on May 8, 1992. 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. Reyna del Carmen Royo Rivera, born Ciudad de Panamá Panamá, is a Panamanian model and beauty pageant contestant winner of the Señorita Panamá 1995.  Also represented Panama in Miss Universe 1996, the "45th Miss Universe" pageant was held at the Aladdin Theatre for the Performing Arts, in Paradise, Nevada, United States on May 17, 1996.
Answer: Miss Universe 1991