Question:  Guerra de Titanes was a  pay-per-view (PPV) event staring A.J. Styles that was about what sport?

full_context: Document 1: Guerra de Titanes (2014): Guerra de Titanes (Spanish for "War of the Titans") was a professional wrestling event produced by the Lucha Libre AAA World Wide (AAA) promotion, which took place on December 7, 2014, in Zapopan, Jalisco, Mexico . The event was the eighteenth "Guerra de Titanes" end of the year show promoted by AAA since 1997. The announced main event was the AAA Mega Champion El Texano Jr. defending the championship against El Patrón Alberto.
Document 2: Guerra de Titanes (2011): Guerra de Titanes (Spanish for "War of the Titans") was a professional wrestling pay-per-view (PPV) event produced by the AAA promotion, which took place on December 16, 2011, at "Estadio Hermanos Serdán" in Puebla, Puebla, Mexico. The event was the fifteenth "Guerra de Titanes" end of the year show promoted by AAA since 1997. The event included appearances by Total Nonstop Action Wrestling (TNA) wrestlers A.J. Styles, D'Angelo Dinero, Gunner and Rob Terry as part of the ongoing storyline invasion of wrestlers from the American promotion. The pay-per-view was headlined by a match for the AAA Latin American Championship, between champion Dr. Wagner Jr. and challenger L.A. Park. The conclusion of the match led to the AAA debuts of Máscara Año 2000 Jr., El Texano Jr. and Toscano, starting a new storyline, where the three posed as invaders from rival promotion Consejo Mundial de Lucha Libre (CMLL).
Document 3: Guerra de Titanes (2016): Guerra de Titanes (Spanish for "War of the Titans") is a major professional wrestling event produced by Lucha Libre AAA World Wide (AAA), a Mexican promotion. The event was originally announced for December 5, 2015, but was postponed to January 22, 2016, without an official explanation for the delay. The event is the nineteenth "Guerra de Titanes" show, traditionally AAA's "end of the year" that started in 1997, breaking with tradition in 2016.
Document 4: Guerra de Titanes (2009): "Guerra de Titanes" (2009) ("War of the Titans") was the thirteenth annual "Guerra de Titanes" professional wrestling show promoted by AAA since 1997. The show took place on December 11, 2009 in the Ciudad Madero, Tamaulipas Convention center, a site that AAA has used for many of their major shows. "Guerra de Titanes" is AAA's "End of year" show and the fifth of their "big shows" they hold every year. The Main Event saw Dr. Wagner Jr. defend the AAA Mega Championship against El Mesias in a "Domo De La Muerte" cage match. The show also featured two AAA championship matches as Nicho el Millonario and Joe Líder defended the AAA World Tag Team Championship and Mini Charly Manson defended the AAA World Mini-Estrella Championship. Furthermore a "Mask vs. Hair", Lucha de Apuesta match between Faby Apache and Sexy Star took place as well. Finally the show featured a Six-man "Lucha Libre rules" tag team match and a four on four "AAA vs. "La Legion Extranjera" elimination match where the winner would receive a title match for the AAA Mega Championship as AAA's 2010 "Rey de Reyes" show.
Document 5: Guerra de Titanes (2017): Guerra de Titanes (Spanish for "War of the Titans") was a major professional wrestling event scripted and produced by Lucha Libre AAA World Wide (AAA), a Mexican promotion. The event was the twentieth annual "Guerra de Titanes" show which, until 2015, has traditionally been AAA's "end of the year" show. In 2016 the show was shifted from December to January instead. The show was held in "Gimnasio Juan de la Barrera" in Mexico City, Mexico which also hosted the 2016 "Guerra de Titanes" show.
Document 6: John Layfield: John Charles Layfield (born November 29, 1966), better known by the ring name John "Bradshaw" Layfield (abbreviated JBL), is an American color commentator and retired professional wrestler and formerly part of the broadcast team on "SmackDown" and pay-per-view events.
Document 7: A.J. Styles and Christopher Daniels: A.J. Styles and Christopher Daniels were recurring tag team partners in Total Nonstop Action Wrestling (TNA), having won the NWA World Tag Team Championship two times in their regular run as teammates. In real life, Styles and Daniels are best friends, and both men have named their sons' middle names after one another - Styles' son, Ajay "Covell" Jones, with Daniels' real last name, and Daniels' son, Joshua "Allen" Covell, with Styles' real first name, from which comes the A. in A.J. Styles. This fact was referenced in the storylines that followed the 2009 return of Daniels in TNA.
Document 8: A.J. Styles: Allen Neal Jones (born June 2, 1977), best known by the ring name AJ Styles (also stylized as A.J. Styles), is an American professional wrestler who is signed to WWE performing on the SmackDown brand, where he is the current United States Champion in his second reign. He has long been regarded as one of the world's best professional wrestlers.
Document 9: Guerra de Titanes (2013): Guerra de Titanes (Spanish for "War of the Titans") was a professional wrestling event produced by the AAA promotion, which took place on December 8, 2013, at "Auditorio de la Gente" in Tepic, Nayarit. The event was the seventeenth "Guerra de Titanes" end of the year show promoted by AAA since 1997. The state government of Nayarit bought all tickets to the event and allowed people to attend it for free on a "first-come, first-served" basis.
Document 10: Zeke Jones: Larry Lee "Zeke" Jones (born December 2, 1966) is an American wrestler who won a silver medal at the 1992 Summer Olympics in Barcelona, a world championship in Varna, Bulgaria, in 1991, and was the former freestyle head coach at USA Wrestling. He is currently the head coach of the Arizona State University Wrestling team as of April, 2014. He was a six-time national freestyle champion, four-time World Cup champion, Pan American Games champion, and received the "World's Most Technical Wrestler Award" awarded by FILA, the international governing body for the sport. In college, he was a three-time All-American for Arizona State University and competed on the 1988 NCAA Championship team, coached by famed Bobby Douglas. After college, he wrestled on two world championships teams with the United States wrestling team. In 2005, he was inducted into the National Wrestling Hall of Fame.
Document 11: Brock Lesnar: Brock Edward Lesnar ( ; born July 12, 1977) is an American professional wrestler and former professional mixed martial artist, professional American football player and amateur wrestler who is currently signed with WWE. He performs on the Raw brand where he is the current WWE Universal Champion in his first reign.
Document 12: Guerra de Titanes (2010): "Guerra de Titanes" (2010) ("War of the Titans") was professional wrestling major show event produced by AAA, which took place on December 5, 2010, in the "Auditorio Benito Juárez" in Zapopan, Jalisco, Mexico. The event was the fourteenth "Guerra de Titanes" show promoted by AAA since 1997 and was headlined by a match for the AAA Mega Championship between champion Dr. Wagner Jr. and challenger El Zorro. The main event of the evening saw "Los Perros del Mal" handing "Los Psycho Circus" their first ever loss, ending their three-year-long undefeated streak.
Document 13: Kurt Angle: Kurt Steven Angle (born December 9, 1968) is an American professional wrestler, actor and retired amateur wrestler currently signed to WWE and performing as the on-screen general manager for the Raw brand. While a student at Clarion University of Pennsylvania, Angle won numerous accolades, including being a two-time National Collegiate Athletic Association (NCAA) Division I Heavyweight Wrestling Champion. After graduating college, Angle won a gold medal in freestyle wrestling at the 1995 World Wrestling Championships. He then won a freestyle wrestling gold medal at the 1996 Summer Olympics. Angle is one of four people to complete an amateur wrestling Grand Slam (Junior Nationals, NCAA, World Championships, and Olympics). In 2006, he was named by USA Wrestling as the greatest shoot wrestler ever and one of the top 15 college wrestlers of all time. He was inducted into the International Sports Hall of Fame in 2016 for his amateur accomplishments.
Document 14: JAPW New Jersey State Championship: The JAPW New Jersey State Championship was a title in the Jersey All Pro Wrestling professional wrestling promotion. Being a professional wrestling championship, it is not won via direct competition; it is instead won via a predetermined ending to a match or awarded to a wrestler because of a wrestling angle. It became an official title on September 25, 1998 with Flash Wheeler becoming the first champion. It was retired on June 7, 2002. On September 15, 2006; Frankie Kazarian was declared the New Jersey State Champion after the Light Heavyweight Championship was retired. The current champion is Brodie Lee and he is in his first reign as champion. There have been 17 reigns by 15 wrestlers with two vacancies. One of the vacancies came when Reckless Youth was injured and vacated the title himself.
Document 15: Kenny Omega: Tyson Smith (born October 16, 1983) is a Canadian professional wrestler, best known by his ring name Kenny Omega. He is signed to New Japan Pro-Wrestling (NJPW), where he is the reigning and inaugural IWGP United States Heavyweight Champion. In NJPW, he is also a former one-time IWGP Intercontinental Champion, two-time IWGP Junior Heavyweight Champion, one-time IWGP Junior Heavyweight Tag Team Champion, and a two-time NEVER Openweight 6-Man Tag Team Champion. He is also a one-time winner of NJPW's premier tournament, the G1 Climax, having won it in 2016 and being the first non-Japanese wrestler to do so. He also appears for the American promotion Ring of Honor (ROH).
ground_truth: wrestling