Question: Rómulo Méndez refereed in what 24 team format soccer tournament?
Context: Rómulo Méndez Molina (born December 21, 1938) is a retired Guatemalan football referee.  He was the first Guatemalan referee ever to participate in a World Cup finals, refereeing one match in the 1982 World Cup and one match in the 1986 edition. The 2013 Big 12 Conference Women's Soccer Tournament was the postseason women's soccer tournament for the Big 12 Conference held on November 6, 8 and 10, 2014.  The seven-match tournament was held at the Swope Soccer Village in Kansas City, Missouri with a combined attendance of 2,787.  The 8-team single-elimination tournament consisted of three rounds based on seeding from regular season conference play.  The West Virginia Mountaineers defeated the Oklahoma State Cowgirls in the championship match to win their first conference tournament since joining the league. The 2016 SWAC Women's Soccer Tournament is the postseason women's soccer tournament for the Southwest Athletic Conference to be held from November 3 to 6, 2016.  The seven-match tournament will be held at the Prairie View A&M Soccer Stadium in Prairie View, Texas.  The eight team single-elimination tournament will consist of three rounds based on seeding from regular season conference play.  The Howard Lady Bison are the defending tournament champions after defeating the Alabama State Hornets in the championship match. The Australian-Croatian Soccer Tournament is a tournament run by the Croatian Soccer Federation of Australia and New Zealand, an organisation founded in 1974.  The inspiration for the tournament came from the successful Croatian-North American Soccer Tournament founded in 1964.  The Australian tournament kicked off in 1974 with an event staged in Melbourne, Australia where six soccer clubs participated at Melbourne Croatia's ground Montgomery Park in Essendon.  The tournament was born.  Although only six clubs participated, it was the beginning, a beginning spawned from Croatia Melbourne's expulsion from the Victorian Soccer Federation, with the clubs leadership including Tony Vrzina and Josip Solic together with Mirko Furjanic the now Honorary President of the Australian Croatian Soccer Tournament being the forerunners in getting the tournament up and going.  The second tournament was staged in 1975, hosted by Sydney Croatia and taken out by Canberra FC who defeated Sydney Croatia 3-1 in the Final.  Since then it has gone on to become the largest and oldest ethnic football tournament in Australia, having been hosted in every state and territory except for the Northern Territory.  It also holds the honour of being the oldest national soccer competition still running in Australia. The 2015 Big 12 Conference Women's Soccer Tournament was the postseason women's soccer tournament for the Big 12 Conference held from November 4 to 8, 2015.  The seven-match tournament was held at the Swope Soccer Village in Kansas City, Missouri with a combined attendance of 2,812.  The 8-team single-elimination tournament consisted of three rounds based on seeding from regular season conference play.  The Texas Tech Red Raiders defeated the Kansas Jayhawks in the championship match to win their first conference tournament. The 2016 Big 12 Conference Women's Soccer Tournament was the postseason women's soccer tournament for the Big 12 Conference, held from November 2 to 6, 2016.  The seven-match tournament was played at the Swope Soccer Village in Kansas City, Missouri.  The eight team single-elimination tournament consisted of three rounds based on seeding from regular season conference play.  The West Virginia Mountaineers claimed their third Big 12 tournament title after defeating the TCU Horned Frogs in overtime in the championship match The 2014 Big 12 Conference Women's Soccer Tournament was the postseason women's soccer tournament for the Big 12 Conference held on November 5, 7 and 9, 2014.  The seven-match tournament was held at the Swope Soccer Village in Kansas City, Missouri with a combined attendance of 2,451.  The 8-team single-elimination tournament consisted of three rounds based on seeding from regular season conference play.  The West Virginia Mountaineers defeated the Oklahoma Sooners in the championship match to win their second conference tournament since joining the league. The Big 12 Conference Women's Soccer Tournament is the postseason women's soccer tournament for the Big 12 Conference.  The seven-match single-elimination tournament consisted of three rounds between eight-teams based on seeding from regular season conference play.  Former conference members Nebraska Cornhuskers and Texas A&M Aggies share the record for most tournament championships: 5.  The most-recent champions are the Texas Tech Red Raiders after winning the 2015 tournament.  In 1996, the inaugural conference tournament was held at World Wide Technology Soccer Park in St. Louis.  Blossom Athletic Center in San Antonio, Texas held the tournament from 1997 to 2012, and has most recently been held at Swope Soccer Village since 2013. The 1986 FIFA World Cup, the 13th FIFA World Cup, was held in Mexico from 31 May to 29 June 1986.  The tournament was the second to feature a 24-team format.  With European nations not allowed to host after the previous World Cup in Spain, Colombia had been originally chosen to host the competition by FIFA but, largely due to economic reasons, was not able to do so and officially resigned in 1982.  Mexico was selected as the new host in May 1983.  This was the third FIFA World Cup tournament in succession that was hosted by a Hispanophonic country, after Spain in 1982, and Argentina in 1978. The 2011 CAA Men's Soccer Tournament, known as the 2011 Virginia 529 CAA Men's Soccer Championship for sponsorship reasons, was the 29th edition of the CAA Men's Soccer Tournament, which determines the conference's automatic berth into the 2011 NCAA Division I Men's Soccer Championship.  Played from November 10–13, 2011 at James Madison University's Soccer Complex, the University of Delaware Fighting Blue Hens defeated the Old Dominion University Monarchs to their first ever CAA Men's Soccer Tournament since joining the conference.  For Delaware, the title clinched their third ever berth into the tournament, and their first since 1970.
Answer: 1986 FIFA World Cup