Doug
... that Doug was nominated to Guinness World Records as the world's largest potato before genetic testing confirmed that it was actually a tuber of a gourd?
... that <b id="mwBY4"><a href="./Doug_(tuber)" id="mwBY8" rel="mw:WikiLink" title="Doug (tuber)">Doug</a></b> was nominated to <i id="mwBZA"><a href="./Guinness_World_Records" id="mwBZE" rel="mw:WikiLink" title="Guinness World Records">Guinness World Records</a></i> as the world's largest potato before genetic testing confirmed that it was actually a <a href="./Tuber" id="mwBZI" rel="mw:WikiLink" title="Tuber">tuber</a> of a gourd?