Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Marianne Müller
Table title:
Repertoire
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Opera </th><th colspan=1 rowspan=1 > Composer </th></tr>
<tr> <td colspan=1 rowspan=2 > 1788 </td><td colspan=1 rowspan=1 > Rosalie </td><td colspan=1 rowspan=1 > Doktor und Apotheker </td><td colspan=1 rowspan=1 > Carl Ditters von Dittersdorf </td></tr>
<tr> <td colspan=1 rowspan=1 > Zémire </td><td colspan=1 rowspan=1 > Zémire et Azor </td><td colspan=1 rowspan=1 > André Grétry </td></tr>
<tr> <td colspan=1 rowspan=2 > 1790 </td><td colspan=1 rowspan=1 > Cherubino </td><td colspan=1 rowspan=1 > Le nozze di Figaro </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=1 > Donna Elvira </td><td colspan=1 rowspan=1 > Don Giovanni </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1794 </td><td colspan=1 rowspan=1 > Almanzaris </td><td colspan=1 rowspan=1 > Oberon </td><td colspan=1 rowspan=1 > Friederike Sophie Seyler </td></tr>
<tr> <td colspan=1 rowspan=1 > Pamina, Königin der Nacht </td><td class="highlighted"  colspan=1 rowspan=1 > Die Zauberflöte </td><td class="highlighted"  colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=1 > 1797 </td><td colspan=1 rowspan=1 > Lodoïska </td><td colspan=1 rowspan=1 > Lodoïska </td><td colspan=1 rowspan=1 > Luigi Cherubini </td></tr>
<tr> <td colspan=1 rowspan=1 > 1798 </td><td colspan=1 rowspan=1 > Henriette </td><td colspan=1 rowspan=1 > Das Sonntagskind </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1801 </td><td colspan=1 rowspan=1 > Marie </td><td colspan=1 rowspan=1 > Blaubart </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1802 </td><td colspan=1 rowspan=1 > Amanda </td><td colspan=1 rowspan=1 > Oberon </td><td colspan=1 rowspan=1 > Friederike Sophie Seyler </td></tr>
<tr> <td colspan=1 rowspan=1 > 1803 </td><td colspan=1 rowspan=1 > Konstanze </td><td colspan=1 rowspan=1 > Die Entführung aus dem Serail </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=2 > 1804 </td><td colspan=1 rowspan=1 > Amena </td><td colspan=1 rowspan=1 > Cäsar auf Pharmakusa </td><td colspan=1 rowspan=1 > Antonio Salieri </td></tr>
<tr> <td colspan=1 rowspan=1 > Donna Elvira </td><td colspan=1 rowspan=1 > Don Giovanni </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=1 > 1805 </td><td colspan=1 rowspan=1 > Carolina </td><td colspan=1 rowspan=1 > Il matrimonio segreto </td><td colspan=1 rowspan=1 > Cimarosa </td></tr>
<tr> <td colspan=1 rowspan=1 > 1806 </td><td colspan=1 rowspan=1 > Ilia </td><td colspan=1 rowspan=1 > Idomeneo </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=1 > 1808 </td><td colspan=1 rowspan=1 > Sophie </td><td colspan=1 rowspan=1 > Sargines </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=3 > 1809 </td><td colspan=1 rowspan=1 > Agnes Sorel </td><td colspan=1 rowspan=1 > Die Jungfrau von Orleans </td><td colspan=1 rowspan=1 > Friedrich Schiller </td></tr>
<tr> <td colspan=1 rowspan=1 > Agnes Sorell </td><td colspan=1 rowspan=1 > Agnes Sorel </td><td colspan=1 rowspan=1 > Adalbert Gyrowetz </td></tr>
<tr> <td colspan=1 rowspan=1 > Donna Anna </td><td colspan=1 rowspan=1 > Don Giovanni </td><td colspan=1 rowspan=1 > Mozart </td></tr>
<tr> <td colspan=1 rowspan=1 > 1812 </td><td colspan=1 rowspan=1 > Mechtilde </td><td colspan=1 rowspan=1 > Silvana </td><td colspan=1 rowspan=1 > Weber </td></tr>
<tr> <td colspan=1 rowspan=1 > 1813 </td><td colspan=1 rowspan=1 > Princesse de Navarre </td><td colspan=1 rowspan=1 > Jean de Paris </td><td colspan=1 rowspan=1 > François-Adrien Boieldieu </td></tr>
<tr> <td colspan=1 rowspan=1 > ? </td><td colspan=1 rowspan=1 > Constanze </td><td colspan=1 rowspan=1 > Die Liebe im Narrenhaus </td><td colspan=1 rowspan=1 > Carl Ditters von Dittersdorf </td></tr>
<tr> <td colspan=1 rowspan=1 > ? </td><td colspan=1 rowspan=1 > Sandrina </td><td colspan=1 rowspan=1 > Il Talismano </td><td colspan=1 rowspan=1 > Antonio Salieri </td></tr>
<tr> <td colspan=1 rowspan=1 > ? </td><td colspan=1 rowspan=1 > Pietro </td><td colspan=1 rowspan=1 > Les deux petits savoyards </td><td colspan=1 rowspan=1 > Nicolas Dalayrac </td></tr>
<tr> <td colspan=1 rowspan=1 > ? </td><td colspan=1 rowspan=1 > Marguerite </td><td colspan=1 rowspan=1 > Richard Coeur-de-Lion </td><td colspan=1 rowspan=1 > André Ernest Modeste Grétry </td></tr>
</table>
Question:
What role did Marianne Müller have in Die Zauberflöte?
Answer:
In 1794, Marianne Müller appeared in the Mozart’s Die Zauberflöte.