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