You can do either this, else nothing.
<table cellspacing="0" border="1">
<tr>
<th>Heading 1</th>
<th>Heading 2</th>
<th>Heading 3</th>
</tr>
<tr>
<td>
<ol type="1" start="1">
<li>
Data
</li>
</ol>
</td>
<td>
<ul type="square">
<li>
Data
</li>
</ul>
</td>
<td>
<ol type="A" start="1">
<li>
Data
</li>
</ol>
</td>
</tr>
<tr>
<td>
<ol type="1" start="2">
<li>
Data
</li>
</ol>
</td>
<td>
<ul type="square">
<li>
Data
</li>
</ul>
</td>
<td>
<ol type="A" start="2">
<li>
Data
</li>
</ol>
</td>
</tr>
<tr>
<td>
<ol type="1" start="3">
<li>
Data
</li>
</ol>
</td>
<td>
<ul type="square">
<li>
Data
</li>
</ul>
</td>
<td>
<ol type="A" start="3">
<li>
Data
</li>
</ol>
</td>
</tr>
</table>