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:
Titania (moon)
Table title:
Surface features
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Feature </th><th colspan=1 rowspan=1 > Named after </th><th colspan=1 rowspan=1 > Type </th><th colspan=1 rowspan=1 > Length (diameter), km </th><th colspan=1 rowspan=1 > Coordinates </th></tr>
<tr> <th colspan=1 rowspan=1 > Belmont Chasma </th><td colspan=1 rowspan=1 > Belmont, Italy (The Merchant of Venice) </td><td colspan=1 rowspan=2 > Chasma </td><td colspan=1 rowspan=1 > 238 </td><td colspan=1 rowspan=1 > 8°30′S 32°36′E / 8.5°S 32.6°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Messina Chasmata </th><td colspan=1 rowspan=1 > Messina, Italy (Much Ado About Nothing) </td><td colspan=1 rowspan=1 > 1,492 </td><td colspan=1 rowspan=1 > 33°18′S 335°00′E / 33.3°S 335°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Rousillon Rupes </th><td colspan=1 rowspan=1 > Roussillon, France (All's Well That Ends Well) </td><td colspan=1 rowspan=1 > Rupes </td><td colspan=1 rowspan=1 > 402 </td><td colspan=1 rowspan=1 > 14°42′S 23°30′E / 14.7°S 23.5°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Adriana </th><td colspan=1 rowspan=1 > Adriana (The Comedy of Errors) </td><td class="highlighted"  colspan=1 rowspan=15 > Crater </td><td colspan=1 rowspan=1 > 50 </td><td colspan=1 rowspan=1 > 20°06′S 3°54′E / 20.1°S 3.9°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Bona </th><td colspan=1 rowspan=1 > Bona (Henry VI, Part 3) </td><td colspan=1 rowspan=1 > 51 </td><td colspan=1 rowspan=1 > 55°48′S 351°12′E / 55.8°S 351.2°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Calphurnia </th><td colspan=1 rowspan=1 > Calpurnia Pisonis (Julius Caesar) </td><td colspan=1 rowspan=1 > 100 </td><td colspan=1 rowspan=1 > 42°24′S 291°24′E / 42.4°S 291.4°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Elinor </th><td colspan=1 rowspan=1 > Eleanor of Aquitaine (The Life and Death of King John) </td><td colspan=1 rowspan=1 > 74 </td><td colspan=1 rowspan=1 > 44°48′S 333°36′E / 44.8°S 333.6°E </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Gertrude </th><td colspan=1 rowspan=1 > Gertrude (Hamlet) </td><td class="highlighted"  colspan=1 rowspan=1 > 326 </td><td colspan=1 rowspan=1 > 15°48′S 287°06′E / 15.8°S 287.1°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Imogen </th><td colspan=1 rowspan=1 > Imogen (Cymbeline) </td><td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > 23°48′S 321°12′E / 23.8°S 321.2°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Iras </th><td colspan=1 rowspan=1 > Iras (Antony and Cleopatra) </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 19°12′S 338°48′E / 19.2°S 338.8°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Jessica </th><td colspan=1 rowspan=1 > Jessica (The Merchant of Venice) </td><td colspan=1 rowspan=1 > 64 </td><td colspan=1 rowspan=1 > 55°18′S 285°54′E / 55.3°S 285.9°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Katherine </th><td colspan=1 rowspan=1 > Katherine (Henry VIII) </td><td colspan=1 rowspan=1 > 75 </td><td colspan=1 rowspan=1 > 51°12′S 331°54′E / 51.2°S 331.9°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Lucetta </th><td colspan=1 rowspan=1 > Lucetta (The Two Gentlemen of Verona) </td><td colspan=1 rowspan=1 > 58 </td><td colspan=1 rowspan=1 > 14°42′S 277°06′E / 14.7°S 277.1°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Marina </th><td colspan=1 rowspan=1 > Marina (Pericles, Prince of Tyre) </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 15°30′S 316°00′E / 15.5°S 316°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Mopsa </th><td colspan=1 rowspan=1 > Mopsa (The Winter's Tale) </td><td colspan=1 rowspan=1 > 101 </td><td colspan=1 rowspan=1 > 11°54′S 302°12′E / 11.9°S 302.2°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Phrynia </th><td colspan=1 rowspan=1 > Phrynia (Timon of Athens) </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > 24°18′S 309°12′E / 24.3°S 309.2°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Ursula </th><td colspan=1 rowspan=1 > Ursula (Much Ado About Nothing) </td><td colspan=1 rowspan=1 > 135 </td><td colspan=1 rowspan=1 > 12°24′S 45°12′E / 12.4°S 45.2°E </td></tr>
<tr> <th colspan=1 rowspan=1 > Valeria </th><td colspan=1 rowspan=1 > Valeria (Coriolanus) </td><td colspan=1 rowspan=1 > 59 </td><td colspan=1 rowspan=1 > 34°30′S 4°12′E / 34.5°S 4.2°E </td></tr>
<tr> <th colspan=5 rowspan=1 > Surface features on Titania are named for female characters from Shakespeare's works. </th></tr>
</table>
Question:
What is the name and crater diameter of the largest known crater in Titania?
Answer:
In Titania (moon), the crater diameters reach 326 kilometers for the largest known crater, Gertrude.