first and only song to reach number one
... that "Bleeding Love", a song performed by Leona Lewis, is her first and only song to reach number one on the US Billboard Adult Contemporary chart?
... that "<a href="./Bleeding_Love" id="mwCWs" rel="mw:WikiLink" title="Bleeding Love">Bleeding Love</a>", a song performed by <a href="./Leona_Lewis" id="mwCWw" rel="mw:WikiLink" title="Leona Lewis">Leona Lewis</a>, is her <b id="mwCW0"><a class="mw-redirect" href="./List_of_number-one_adult_contemporary_singles_of_2008_(U.S.)" id="mwCW4" rel="mw:WikiLink" title="List of number-one adult contemporary singles of 2008 (U.S.)">first and only song to reach number one</a></b> on the US <i id="mwCW8"><a href="./Billboard_(magazine)" id="mwCXA" rel="mw:WikiLink" title="Billboard (magazine)">Billboard</a></i> <a href="./Adult_Contemporary_(chart)" id="mwCXE" rel="mw:WikiLink" title="Adult Contemporary (chart)">Adult Contemporary</a> chart?