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:
Christopher Simpson (actor)
Table title:
Stage
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 > Venue </th></tr>
<tr> <td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > The Ramayana </td><td colspan=1 rowspan=1 > Bharatha </td><td colspan=1 rowspan=1 > Royal National Theatre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Pericles </td><td colspan=1 rowspan=1 > Pericles </td><td colspan=1 rowspan=1 > Royal Shakespeare Company/Cardboard Citizens </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Fragile Land </td><td colspan=1 rowspan=1 > Omar </td><td colspan=1 rowspan=1 > Hampstead Theatre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > The Bacchae of Baghdad </td><td colspan=1 rowspan=1 > Dionysus </td><td colspan=1 rowspan=1 > Abbey Theatre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Fallujah </td><td colspan=1 rowspan=1 > Iraqi gunman </td><td colspan=1 rowspan=1 > Institute of Contemporary Arts/Old Truman Brewery </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2011 </td><td class="highlighted"  colspan=1 rowspan=1 > The Knowledge </td><td class="highlighted"  colspan=1 rowspan=1 > Maz </td><td class="highlighted"  colspan=1 rowspan=2 > Bush Theatre </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Little Platoons </td><td class="highlighted"  colspan=1 rowspan=1 > Parvez </td></tr>
<tr> <td colspan=1 rowspan=2 > 2012 </td><td colspan=1 rowspan=1 > LeanerFasterStronger </td><td colspan=1 rowspan=1 > Voice </td><td colspan=1 rowspan=1 > Sheffield Theatres </td></tr>
<tr> <td colspan=1 rowspan=1 > Forests </td><td colspan=1 rowspan=1 > Orlando </td><td colspan=1 rowspan=1 > Birmingham Repertory Theatre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Brideshead Revisited </td><td colspan=1 rowspan=1 > Sebastian </td><td colspan=1 rowspan=1 > English Touring Theatre/UK National Tour </td></tr>
</table>
Question:
In 2011, in what productions and which roles did Christopher Simpson perform?
Answer:
In 2011, Christopher Simpson played the role of Maz in The Knowledge and the role of Parvez in Little Platoons, both at the Bush Theatre.