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:
Prince Harvey
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Song </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Album </th></tr>
<tr> <td colspan=1 rowspan=1 > "Sometimes" </td><td class="highlighted"  colspan=1 rowspan=2 > 2015 </td><td class="highlighted"  colspan=1 rowspan=2 > PHATASS </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > "The New Black" </td></tr>
<tr> <td colspan=1 rowspan=1 > "Sorry" </td><td colspan=1 rowspan=2 > 2016 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > "Stay Gold" </td><td colspan=1 rowspan=1 > Golden Child </td></tr>
<tr> <td colspan=1 rowspan=1 > "101" </td><td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
When did Prince Harvey release the album PHATASS?
Answer:
In 2015.