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:
Bel Powley
Table title:
Theatre
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 > Company </th><th colspan=1 rowspan=1 > Director </th></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Tusk Tusk </td><td colspan=1 rowspan=1 > Maggie </td><td colspan=1 rowspan=1 > The Royal Court Theatre </td><td colspan=1 rowspan=1 > Jeremy Herring </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2011 </td><td colspan=1 rowspan=1 > Arcadia </td><td colspan=1 rowspan=1 > Thomasina </td><td colspan=1 rowspan=1 > Ethel Barrymore Theatre (Broadway) </td><td colspan=1 rowspan=1 > David Leveaux </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Jumpy </td><td class="highlighted"  colspan=1 rowspan=1 > Tilly </td><td class="highlighted"  colspan=1 rowspan=1 > Royal Court Theatre & Ambassadors Theatre Group </td><td colspan=1 rowspan=1 > Nina Raine </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Raving </td><td colspan=1 rowspan=1 > Tabby </td><td colspan=1 rowspan=1 > Hampstead Theatre </td><td colspan=1 rowspan=1 > Edward Hall </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Elephants </td><td colspan=1 rowspan=1 > Daisy </td><td colspan=1 rowspan=1 > Hampstead Theatre </td><td colspan=1 rowspan=1 > Tamara Harvey </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Lobby Hero </td><td colspan=1 rowspan=1 > Dawn </td><td colspan=1 rowspan=1 > Helen Hayes Theatre (Broadway) </td><td colspan=1 rowspan=1 > Trip Cullman </td></tr>
</table>
Question:
What year did Bel Powley appear as Tilly at the Royal Court Theatre?
Answer:
In 2011, Bel Powley appeared as Tilly, in Jumpy, at the Royal Court Theatre.