<table style="border-collapse:collapse;font-family:sans-serif;font-size:1em">
<thead>
<tr><th colspan="2" style="text-align:center">Group</th></tr>
<tr><th>Region</th> <th style="text-align:right">Sales</th></tr>
</thead>
<tbody>
<tr><td>East</td> <td style="text-align:right">100</td></tr>
</tbody>
</table>