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:
Allan Cup Hockey
Table title:
Teams
Table:
<table id='hittask' contenteditable='False'>
<tr> <td colspan=1 rowspan=1 > Team </td><td colspan=1 rowspan=1 > Centre </td><td colspan=1 rowspan=1 > Founded </td></tr>
<tr> <td colspan=1 rowspan=1 > Brantford Blast </td><td colspan=1 rowspan=1 > Brantford </td><td colspan=1 rowspan=1 > 2000 </td></tr>
<tr> <td colspan=1 rowspan=1 > Dundas Real McCoys </td><td colspan=1 rowspan=1 > Dundas </td><td colspan=1 rowspan=1 > 2000 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Hamilton Steelhawks </td><td colspan=1 rowspan=1 > Hamilton </td><td class="highlighted"  colspan=1 rowspan=1 > 2015 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Thorold Athletics </td><td colspan=1 rowspan=1 > Thorold </td><td class="highlighted"  colspan=1 rowspan=1 > 2015 </td></tr>
<tr> <td colspan=1 rowspan=1 > Stoney Creek Generals </td><td colspan=1 rowspan=1 > Stoney Creek </td><td colspan=1 rowspan=1 > 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > Whitby Dunlops </td><td colspan=1 rowspan=1 > Whitby </td><td colspan=1 rowspan=1 > 2004 </td></tr>
</table>
Question:
How many teams were added into the Allan Cup Hockey in 2015 and what were they?
Answer:
In 2015, two new teams were added: the Hamilton Steelhawks and the Thorold Athletics.