Saint-Bris
...that Saint-Bris is the only appellation out of 150 in the French wine region of Burgundy where the wines may contain the grape variety Sauvignon blanc?
...that <b id="mwDaU"><a href="./Saint-Bris_AOC" id="mwDaY" rel="mw:WikiLink" title="Saint-Bris AOC">Saint-Bris</a></b> is the only <a href="./Appellation_d'origine_contrôlée" id="mwDac" rel="mw:WikiLink" title="Appellation d'origine contrôlée">appellation</a> out of 150 in the <a href="./French_wine" id="mwDag" rel="mw:WikiLink" title="French wine">French wine</a> region of <a href="./Burgundy_wine" id="mwDak" rel="mw:WikiLink" title="Burgundy wine">Burgundy</a> where the wines may contain the <a href="./Grape" id="mwDao" rel="mw:WikiLink" title="Grape">grape</a> <a href="./Variety_(botany)" id="mwDas" rel="mw:WikiLink" title="Variety (botany)">variety</a> <a href="./Sauvignon_blanc" id="mwDaw" rel="mw:WikiLink" title="Sauvignon blanc">Sauvignon blanc</a>?