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:
Nisterud Station
Table title:
External links
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Preceding station </th><th colspan=3 rowspan=1 > Line </th><th colspan=1 rowspan=1 > Following station </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Skien </td><td class="highlighted"  colspan=3 rowspan=1 > Bratsberg Line </td><td class="highlighted"  colspan=1 rowspan=1 > Nordagutu </td></tr>
<tr> <th colspan=1 rowspan=1 > Preceding station </th><th colspan=3 rowspan=1 > Local trains </th><th colspan=1 rowspan=1 > Following station </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Skien </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Bratsberg Line </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Nordagutu </td></tr>
</table>
Question:
Which is the only station between Skien and Nordagutu to be served over the Bratsberg Line?
Answer:
Nisterud is the only station between Skien and Nordagutu that is served over the Bratsberg Line.