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:
Kedar Williams-Stirling
Table title:
Film
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2010 </td><td class="highlighted"  colspan=1 rowspan=1 > Shank </td><td class="highlighted"  colspan=1 rowspan=1 > Junior </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Drink, Drugs and KFC </td><td colspan=1 rowspan=1 > Nathan </td><td colspan=1 rowspan=2 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > You Are Me </td><td colspan=1 rowspan=1 > Dan </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2014 </td><td class="highlighted"  colspan=1 rowspan=1 > Montana </td><td class="highlighted"  colspan=1 rowspan=1 > Lorenzo </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Elderflower </td><td colspan=1 rowspan=1 > Tony </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Two Graves </td><td colspan=1 rowspan=1 > Barry </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2019 </td><td colspan=1 rowspan=1 > Changeland </td><td colspan=1 rowspan=1 > Marc </td><td colspan=1 rowspan=1 > Post-production </td></tr>
</table>
Question:
What roles did Kedar Williams-Stirling play in in the years 2010 and 2014?
Answer:
Kedar Williams-Stirling appeared as Junior in Shank (2010), and Lorenzo in Montana (2014).