parade of nations
... that Clara Hughes, who led the Canadian athletes in the parade of nations during the 2010 Winter Olympics opening ceremony, is the only athlete to have won multiple medals at both the Summer and Winter Olympics?
... that <a href="./Clara_Hughes" id="mwCj0" rel="mw:WikiLink" title="Clara Hughes">Clara Hughes</a>, who led the <a href="./Canada_at_the_2010_Winter_Olympics" id="mwCj4" rel="mw:WikiLink" title="Canada at the 2010 Winter Olympics">Canadian</a> athletes in the <b id="mwCj8"><a class="mw-redirect" href="./2010_Winter_Olympics_national_flag_bearers" id="mwCkA" rel="mw:WikiLink" title="2010 Winter Olympics national flag bearers">parade of nations</a></b> during the <a href="./2010_Winter_Olympics" id="mwCkE" rel="mw:WikiLink" title="2010 Winter Olympics">2010 Winter Olympics</a> <a href="./2010_Winter_Olympics_opening_ceremony" id="mwCkI" rel="mw:WikiLink" title="2010 Winter Olympics opening ceremony">opening ceremony</a>, is the only athlete to have won multiple medals at both the <a class="mw-redirect" href="./Summer_Olympics" id="mwCkM" rel="mw:WikiLink" title="Summer Olympics">Summer</a> and <a class="mw-redirect" href="./Winter_Olympics" id="mwCkQ" rel="mw:WikiLink" title="Winter Olympics">Winter Olympics</a>?