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:
Yu Zheng
Table title:
Awards
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Work </th><th colspan=1 rowspan=1 > Award </th><th colspan=1 rowspan=1 > Category </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > The Last Princess </td><td colspan=1 rowspan=1 > Annual Golden TVS Award </td><td colspan=1 rowspan=1 > Best Screenwriter </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Shanghai Modern Award </td><td colspan=1 rowspan=1 > Screenwriter Award </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=3 > 2011 </td><td class="highlighted"  colspan=1 rowspan=3 > Palace </td><td colspan=1 rowspan=1 > Grand Ceremony of Movie & TV New Forces </td><td colspan=1 rowspan=1 > Most Popular Screenwriter </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 16th Asian Television Awards </td><td class="highlighted"  colspan=1 rowspan=1 > Best Screenwriter </td><td class="highlighted"  colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Youku Film and Television Award </td><td colspan=1 rowspan=1 > Screenwriter Award </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Palace II </td><td colspan=1 rowspan=1 > 2012 Qiyi Festival </td><td colspan=1 rowspan=1 > TV Producer of the Year </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Swordsman </td><td colspan=1 rowspan=1 > Chinese American Film Festival </td><td colspan=1 rowspan=1 > Best Screenwriter </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What significant career achievement did Yu make in 2011?
Answer:
In 2011 Yu was noted for Palace, which earned him a Best Screenwriter award at the 16th Asian Television Awards.