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:
Welcome to Cam Country
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Year </th><th colspan=1 rowspan=2 > Single </th><th colspan=5 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Sales </th></tr>
<tr> <th colspan=1 rowspan=1 > US Hot Country </th><th colspan=1 rowspan=1 > US Country Airplay </th><th colspan=1 rowspan=1 > US </th><th colspan=1 rowspan=1 > CAN Country </th><th colspan=1 rowspan=1 > CAN </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2015 </td><th colspan=1 rowspan=1 > "My Mistake" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 52 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Burning House" </th><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 29 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 46 </td><td class="highlighted"  colspan=1 rowspan=1 > US: 667,000 </td></tr>
<tr> <td colspan=8 rowspan=1 > "—" denotes releases that did not chart </td></tr>
</table>
Question:
What year did Welcome to Cam Country come out, and how many copies did it sell in the United States?
Answer:
Welcome to Cam Country has sold 667,000 copies in the US in 2015.