debut album
... that four singles from Romeo Santos's debut album reached number-one on the Billboard Hot Latin Songs chart?
... that four singles from <a href="./Romeo_Santos" id="mwEMg" rel="mw:WikiLink" title="Romeo Santos">Romeo Santos</a>'s <b id="mwEMk"><a href="./Formula,_Vol._1" id="mwEMo" rel="mw:WikiLink" title="Formula, Vol. 1">debut album</a></b> reached number-one on the <a href="./Hot_Latin_Songs" id="mwEMs" rel="mw:WikiLink" title="Hot Latin Songs"><i id="mwEMw">Billboard</i> Hot Latin Songs</a> chart?