49th Anniversary of Lucha Libre in Estadio de Mexico
... that for the 49th Anniversary of Lucha Libre in Estadio de Mexico show, the IWRG had a main event where the two teams represented their former wrestling promotions?
... that for the <b id="mwBac"><a class="mw-redirect" href="./49th_Anniversary_of_Lucha_Libre_in_Estadio_de_Mexico" id="mwBag" rel="mw:WikiLink" title="49th Anniversary of Lucha Libre in Estadio de Mexico">49th Anniversary of <i id="mwBak">Lucha Libre</i> in <i id="mwBao">Estadio de Mexico</i></a></b> show, the <a href="./International_Wrestling_Revolution_Group" id="mwBas" rel="mw:WikiLink" title="International Wrestling Revolution Group">IWRG</a> had a main event where the two teams represented their former <a class="mw-redirect" href="./Professional_wrestling_promotion" id="mwBaw" rel="mw:WikiLink" title="Professional wrestling promotion">wrestling promotions</a>?