Sierra Leone
... that the 2012 London Games was Sierra Leone's tenth appearance at the Summer Olympics?
... that the <a href="./2012_Summer_Olympics" id="mwBtA" rel="mw:WikiLink" title="2012 Summer Olympics">2012 London Games</a> was <b id="mwBtE"><a href="./Sierra_Leone_at_the_2012_Summer_Olympics" id="mwBtI" rel="mw:WikiLink" title="Sierra Leone at the 2012 Summer Olympics">Sierra Leone</a></b><span about="#mwt35" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwBtM" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> tenth appearance at the Summer Olympics?