their 1986 season
...that the New York Giants of the NFL won the first Super Bowl in their franchise history during their 1986 season?
...that the <a href="./New_York_Giants" id="mwB0Q" rel="mw:WikiLink" title="New York Giants">New York Giants</a> of the <a class="mw-redirect" href="./NFL" id="mwB0U" rel="mw:WikiLink" title="NFL">NFL</a> won the first <a href="./Super_Bowl" id="mwB0Y" rel="mw:WikiLink" title="Super Bowl">Super Bowl</a> in their franchise history during <b id="mwB0c"><a href="./1986_New_York_Giants_season" id="mwB0g" rel="mw:WikiLink" title="1986 New York Giants season">their 1986 season</a></b>?