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:
Australia Roller Hockey National Championship
Table title:
List of Winners
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Women </th><th colspan=1 rowspan=1 > Youth </th><th colspan=1 rowspan=1 > Juvenile </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1st Campbellfield Cannons </td><td class="highlighted"  colspan=1 rowspan=1 > 1st Dandenong </td><td class="highlighted"  colspan=1 rowspan=1 > 1st Mackay Mustangs </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd Stafford </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd Mackay Mustangs </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd Campbellfield Cannons </td></tr>
<tr> <td colspan=1 rowspan=1 > 3rd Northsports </td><td colspan=1 rowspan=1 > 3rd Stafford </td><td colspan=1 rowspan=1 > 3rd Northsports 1 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 4th Northsports 2 </td></tr>
</table>
Question:
Which three teams competed in the Australia Roller Hockey National Championship? 
Answer:
The Campbellfield Cannons (Juvenile, Women), Dandenong (Youth), and Mackay Mustangs (Juvenile, Youth) competed in the Australia Roller Hockey National Championship.