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:
1917 Japanese general election
Table title:
Results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th><th colspan=1 rowspan=1 > Seats </th><th colspan=1 rowspan=1 > +/– </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Rikken Seiyūkai </td><td colspan=1 rowspan=1 > 504,720 </td><td colspan=1 rowspan=1 > 38.8 </td><td class="highlighted"  colspan=1 rowspan=1 > 165 </td><td colspan=1 rowspan=1 > +57 </td></tr>
<tr> <td colspan=1 rowspan=1 > Kenseikai </td><td colspan=1 rowspan=1 > 467,518 </td><td colspan=1 rowspan=1 > 36.0 </td><td colspan=1 rowspan=1 > 121 </td><td colspan=1 rowspan=1 > New </td></tr>
<tr> <td colspan=1 rowspan=1 > Rikken Kokumintō </td><td colspan=1 rowspan=1 > 125,974 </td><td colspan=1 rowspan=1 > 9.7 </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > +7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Others </td><td colspan=1 rowspan=1 > 202,640 </td><td colspan=1 rowspan=1 > 15.6 </td><td colspan=1 rowspan=1 > 60 </td><td colspan=1 rowspan=1 > +12 </td></tr>
<tr> <td colspan=1 rowspan=1 > Invalid/blank votes </td><td colspan=1 rowspan=1 > 6,321 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=1 rowspan=1 > Total </td><td colspan=1 rowspan=1 > 1,307,173 </td><td colspan=1 rowspan=1 > 100 </td><td class="highlighted"  colspan=1 rowspan=1 > 381 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Registered voters/turnout </td><td colspan=1 rowspan=1 > 1,422,126 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=5 rowspan=1 > Source: Mackie & Rose, Voice Japan </td></tr>
</table>
Question:
How many seats did the Rikken Seiyūkai party win?
Answer:
The Rikken Seiyūkai party won 165 of the 381 seats.