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:
1939 Swiss federal election
Table title:
National Council
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 colspan=1 rowspan=1 > Social Democratic Party </td><td colspan=1 rowspan=1 > 160,377 </td><td colspan=1 rowspan=1 > 25.9 </td><td colspan=1 rowspan=1 > 45 </td><td colspan=1 rowspan=1 > –5 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Free Democratic Party </td><td colspan=1 rowspan=1 > 128,163 </td><td colspan=1 rowspan=1 > 20.7 </td><td class="highlighted"  colspan=1 rowspan=1 > 49 </td><td colspan=1 rowspan=1 > +1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Swiss Conservative People's Party </td><td colspan=1 rowspan=1 > 105,018 </td><td colspan=1 rowspan=1 > 17.0 </td><td colspan=1 rowspan=1 > 43 </td><td colspan=1 rowspan=1 > +1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Party of Farmers, Traders and Independents </td><td colspan=1 rowspan=1 > 91,182 </td><td colspan=1 rowspan=1 > 14.7 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > +1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ring of Independents </td><td colspan=1 rowspan=1 > 43,735 </td><td colspan=1 rowspan=1 > 7.1 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > +2 </td></tr>
<tr> <td colspan=1 rowspan=1 > Young Farmers </td><td colspan=1 rowspan=1 > 27,708 </td><td colspan=1 rowspan=1 > 4.5 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > –1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Social-Political Group </td><td colspan=1 rowspan=1 > 16,891 </td><td colspan=1 rowspan=1 > 2.7 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > +2 </td></tr>
<tr> <td colspan=1 rowspan=1 > Communist Party </td><td colspan=1 rowspan=1 > 15,962 </td><td colspan=1 rowspan=1 > 2.6 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > +2 </td></tr>
<tr> <td colspan=1 rowspan=1 > Liberal Socialist Party </td><td colspan=1 rowspan=1 > 10,865 </td><td colspan=1 rowspan=1 > 1.8 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > +1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Liberal Democratic Party </td><td colspan=1 rowspan=1 > 10,241 </td><td colspan=1 rowspan=1 > 1.7 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Evangelical People's Party </td><td colspan=1 rowspan=1 > 5,726 </td><td colspan=1 rowspan=1 > 0.9 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > –1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Other parties </td><td colspan=1 rowspan=1 > 2,665 </td><td colspan=1 rowspan=1 > 0.4 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Invalid/blank votes </td><td colspan=1 rowspan=1 > 21,332 </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 > 639,865 </td><td colspan=1 rowspan=1 > 100 </td><td class="highlighted"  colspan=1 rowspan=1 > 187 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Registered voters/turnout </td><td colspan=1 rowspan=1 > 861,266 </td><td colspan=1 rowspan=1 > 74.3 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td></tr>
<tr> <td colspan=5 rowspan=1 > Source: Mackie & Rose, Nohlen & Stöver </td></tr>
</table>
Question:
What was the largest party in the National Council?
Answer:
The Free Democratic Party emerged as the largest party in the National Council, winning 49 of the 187 seats.