Complete “Table with header cells in one column only” Example

<table>
  <caption>
    Capital cities
  </caption>
  <tr>
    <th scope="col">Country</th>
    <th scope="col">Capital city</th>
  </tr>
  <tr>
    <th scope="row">Belgium</th>
    <td>Brussels</td>
  </tr>
  <tr>
    <th scope="row">France</th>
    <td>Paris</td>
  </tr>
  <tr>
    <th scope="row">Holland</th>
    <td>Amsterdam</td>
  </tr>
  <tr>
    <th scope="row">Luxembourg</th>
    <td>Luxembourg</td>
  </tr>
  <tr>
    <th scope="row">Spain</th>
    <td>Madrid</td>
  </tr>
  <tr>
    <th scope="row">UK</th>
    <td>London</td>
  </tr>
</table>