What code will produce this table?
<table> <columns colspan="2" style="background-color: yellow"> <tr> <th>Col 1</th> <th>Col 2</th> <th>Col 3</th> </tr> <tr> <td>first</td> <td>second</td> <td>third</td> </tr> </table>
<table> <group cols="2" style="background-color: yellow"> <tr scope="row"> <th>Col 1</th> <th>Col 2</th> <th>Col 3</th> </tr> <tr scope="row"> <td>first</td> <td>second</td> <td>third</td> </tr> </table>
<table> <colgroup span="2" style="background-color: yellow"> <tr> <th>Col 1</th> <th>Col 2</th> <th>Col 3</th> </tr> <tr> <td>first</td> <td>second</td> <td>third</td> </tr> </table>
<table> <scope cols="2" style="background-color: yellow"> <tr> <th>Col 1</th> <th>Col 2</th> <th>Col 3</th> </tr> <tr> <td>first</td> <td>second</td> <td>third</td> </tr> </table>
