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:
Becky Hill
Table title:
As lead artist
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=2 > Year </th><th colspan=10 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Certifications </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > UK </th><th colspan=1 rowspan=1 > UK Dance </th><th colspan=1 rowspan=1 > AUS </th><th colspan=1 rowspan=1 > AUT </th><th colspan=1 rowspan=1 > GER </th><th colspan=1 rowspan=1 > IRE </th><th colspan=1 rowspan=1 > NL </th><th colspan=1 rowspan=1 > SCO </th><th colspan=1 rowspan=1 > SWE </th><th colspan=1 rowspan=1 > SWI </th></tr>
<tr> <th colspan=1 rowspan=1 > "Gecko (Overdrive)" (with Oliver Heldens) </th><td colspan=1 rowspan=2 > 2014 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 71 </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 30 </td><td colspan=1 rowspan=1 > 48 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 55 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > BPI: Platinum </td><td colspan=1 rowspan=3 > Non-album singles </td></tr>
<tr> <th colspan=1 rowspan=1 > "Losing" </th><td colspan=1 rowspan=1 > 56 </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 60 </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 > "All My Love" (with Watermät and TAI) </th><td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > 115 </td><td colspan=1 rowspan=1 > 28 </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 62 </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 > "Back to My Love" (featuring Little Simz) </th><td colspan=1 rowspan=4 > 2016 </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Eko EP </td></tr>
<tr> <th colspan=1 rowspan=1 > "Piece of Me" (with MK) </th><td colspan=1 rowspan=1 > 37 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 53 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 43 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > BPI: Platinum </td><td colspan=1 rowspan=1 > Non-album single </td></tr>
<tr> <th colspan=1 rowspan=1 > "False Alarm" (with Matoma) </th><td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 51 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > BPI: Gold </td><td colspan=1 rowspan=1 > Hakuna Matoma </td></tr>
<tr> <th colspan=1 rowspan=1 > "Warm" </th><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=3 > Eko EP </td></tr>
<tr> <th colspan=1 rowspan=1 > "Rude Love" </th><td class="highlighted"  colspan=1 rowspan=2 > 2017 </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Unpredictable" </th><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Sunrise in the East" </th><td colspan=1 rowspan=2 > 2018 </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=3 > TBA </td></tr>
<tr> <th colspan=1 rowspan=1 > "Back & Forth" (with MK and Jonas Blue) </th><td colspan=1 rowspan=1 > 12 </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><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > BPI: Silver </td></tr>
<tr> <th colspan=1 rowspan=1 > "I Could Get Used to This" (with Weiss) </th><td colspan=1 rowspan=1 > 2019 </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><td colspan=1 rowspan=1 > — </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><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=20 rowspan=1 > "—" denotes a single that did not chart or was not released in that territory. </td></tr>
</table>
Question:
When was the last single from the Eko EP released?
Answer:
In 2017, the last single from the Eko EP, "Unpredictable," was released.