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:
Lollipop (Param Pam Pam)
Table title:
History
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Region </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Format </th><th colspan=1 rowspan=1 > Label </th></tr>
<tr> <th colspan=1 rowspan=1 > Romania </th><td colspan=1 rowspan=1 > late 2009 </td><td class="highlighted"  colspan=1 rowspan=4 > Digital single </td><td colspan=1 rowspan=1 > N/A </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Canada </th><td class="highlighted"  colspan=1 rowspan=2 > 31 May 2011 </td><td class="highlighted"  colspan=1 rowspan=2 > Ultra </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > United States </th></tr>
<tr> <th colspan=1 rowspan=1 > Germany </th><td colspan=1 rowspan=1 > 9 September 2011 </td><td colspan=1 rowspan=1 > Prime </td></tr>
</table>
Question:
How was Lollipop made available in Canada and the United States?
Answer:
Lollipop was made available for digital download through the label Ultra on 31 May 2011 in Canada and the United States.