DOT-111 tank cars
... that the runaway train in the Lac-Mégantic derailment involved 72 DOT-111 tank cars?
... that the runaway train in the <a class="mw-redirect" href="./Lac-Mégantic_derailment" id="mwCBo" rel="mw:WikiLink" title="Lac-Mégantic derailment">Lac-Mégantic derailment</a> involved 72 <b id="mwCBs"><a href="./DOT-111_tank_car" id="mwCBw" rel="mw:WikiLink" title="DOT-111 tank car">DOT-111 tank cars</a></b>?