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:
Anik Khan
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Song </th><th colspan=1 rowspan=1 > Album </th><th colspan=1 rowspan=1 > Notes </th><th colspan=1 rowspan=1 > Reference(s) </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2015 </td><td class="highlighted"  colspan=1 rowspan=1 > Shadows </td><td class="highlighted"  colspan=1 rowspan=2 > I Don't Know Yet </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > The Knowing </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=4 > 2016 </td><td colspan=1 rowspan=1 > Too Late Know </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Renegade </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Renegade (ALLxCAPS Remix) </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Cleopatra </td><td colspan=1 rowspan=3 > Kites </td><td colspan=1 rowspan=1 > Samples the song "Jiya Jale" from Dil Se.. </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 2017 </td><td colspan=1 rowspan=1 > Columbus </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Habibi </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=3 > 2018 </td><td colspan=1 rowspan=1 > Oh My (featuring Burna Boy & Sango) </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Big Fax </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Released under Saavn's Artist Originals platform </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Renaissance Interstate (Charles Holt featuring Anik Khan) </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which two singles did Anik Khan's I Don't Know Yet album include, and what year did it come out?
Answer:
Anik Khan's 2015 I Don't Know Yet included the singles "Shadows" and "The Knowing".