Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Spencer Martin
Table title:
Results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Season </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Car </th><th colspan=1 rowspan=1 > Entrant </th></tr>
<tr> <td colspan=1 rowspan=1 > 1965 </td><td colspan=1 rowspan=1 > Australian Tourist Trophy </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Ferrari 250LM </td><td colspan=1 rowspan=1 > Scuderia Veloce </td></tr>
<tr> <td colspan=1 rowspan=1 > 1965 </td><td colspan=1 rowspan=1 > Australian Drivers' Championship </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Repco Brabham BT11A Coventry Climax </td><td colspan=1 rowspan=1 > Scuderia Veloce </td></tr>
<tr> <td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=1 > Tasman Series </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Repco Brabham BT11A Coventry Climax </td><td colspan=1 rowspan=1 > Scuderia Veloce </td></tr>
<tr> <td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=1 > Australian Tourist Trophy </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Ferrari 250LM </td><td colspan=1 rowspan=1 > Scuderia Veloce </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1966 </td><td class="highlighted"  colspan=1 rowspan=1 > Australian Drivers' Championship </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Repco Brabham BT11A Coventry Climax </td><td class="highlighted"  colspan=1 rowspan=1 > Bob Jane Racing </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1967 </td><td class="highlighted"  colspan=1 rowspan=1 > Australian Drivers' Championship </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Repco Brabham BT11A Coventry Climax </td><td class="highlighted"  colspan=1 rowspan=1 > Bob Jane Racing </td></tr>
</table>
Question:
When has Martin won the Australian Drivers' Championship?
Answer:
Martin's two Australian Drivers' Championship victories, in 1966 and 1967, racing for Bob Jane Racing.