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:
Rihanna (Orezi song)
Table title:
Accolades
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Awards ceremony </th><th colspan=1 rowspan=1 > Award description(s) </th><th colspan=1 rowspan=1 > Results </th></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Channel O Music Video Awards </td><td colspan=1 rowspan=1 > Most Gifted Ragga Dancehall </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=1 > Nigeria Music Video Awards </td><td colspan=1 rowspan=1 > Best Dance Hall/Reggae Video </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > The Headies </td><td class="highlighted"  colspan=1 rowspan=1 > Best Reggae/Dancehall Single </td><td class="highlighted"  colspan=1 rowspan=1 > Nominated </td></tr>
</table>
Question:
What song was nominated for Best Reggae/Dancehall Single at The Headies, and when was it nominated?
Answer:
"Rihanna" was nominated for Best Reggae/Dancehall Single at the 2013 edition of The Headies.