<table>
  <thead>
  {% for column in header %}
    <th>{{ column }}</th>
  {% endfor %}
  </thead>
  <tbody>
  {% for row in data %}
    <tr>
    {% for item in row %}
      <td>{{ item }}</td>
    {% endfor %}
    </tr>
  {% endfor %}
  </tbody>
</table>