Eleanor
... that Eleanor was the first of only six fillies to have ever won the Derby Stakes?
... that <b id="mwCiw"><a href="./Eleanor_(horse)" id="mwCi0" rel="mw:WikiLink" title="Eleanor (horse)">Eleanor</a></b> <i id="mwCi4">(pictured)</i> was the first of only six <a href="./Filly" id="mwCi8" rel="mw:WikiLink" title="Filly">fillies</a> to have ever won the <a href="./Epsom_Derby" id="mwCjA" rel="mw:WikiLink" title="Epsom Derby">Derby Stakes</a>?