Beholder
... that Beholder was the first filly to win both the Breeders' Cup Juvenile Fillies and then the Breeders' Cup Distaff?
... that <b id="mwB1M"><a href="./Beholder_(horse)" id="mwB1Q" rel="mw:WikiLink" title="Beholder (horse)">Beholder</a></b> was the first filly to win both the <a href="./Breeders'_Cup_Juvenile_Fillies" id="mwB1U" rel="mw:WikiLink" title="Breeders' Cup Juvenile Fillies">Breeders' Cup Juvenile Fillies</a> and then the <a href="./Breeders'_Cup_Distaff" id="mwB1Y" rel="mw:WikiLink" title="Breeders' Cup Distaff">Breeders' Cup Distaff</a>?