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:
The Civil Wars
Table title:
Awards and nominations
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Association </th><th colspan=1 rowspan=1 > Category </th><th colspan=1 rowspan=1 > Nominee </th><th colspan=1 rowspan=1 > Result </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=5 > 2011 </td><td colspan=1 rowspan=1 > CMT Music Awards </td><td colspan=1 rowspan=1 > Duo Video of the Year </td><td colspan=1 rowspan=1 > "Barton Hollow" </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Americana Music Association </td><td class="highlighted"  colspan=1 rowspan=1 > New/Emerging Artist of the Year </td><td class="highlighted"  colspan=1 rowspan=4 > The Civil Wars </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Duo/Group of the Year </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Country Music Association Awards </td><td class="highlighted"  colspan=1 rowspan=1 > Vocal Duo of the Year </td><td class="highlighted"  colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > ASCAP Awards </td><td colspan=1 rowspan=1 > ASCAP Vanguard Award </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=9 > 2012 </td><td colspan=1 rowspan=2 > 2012 Grammy Award </td><td colspan=1 rowspan=1 > Best Folk Album </td><td colspan=1 rowspan=1 > Barton Hollow </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Best Country Duo/Group Performance </td><td colspan=1 rowspan=1 > "Barton Hollow" </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=3 > CMT Music Awards </td><td colspan=1 rowspan=1 > Video of the Year </td><td colspan=1 rowspan=2 > "Safe & Sound" (as featuring) </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > Collaborative Video of the Year </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > Duo Video of the Year </td><td colspan=1 rowspan=1 > "Poison & Wine" </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > Americana Music Association </td><td colspan=1 rowspan=1 > Duo/Group of the Year </td><td colspan=1 rowspan=1 > The Civil Wars </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > A2IM Libera Awards </td><td colspan=1 rowspan=1 > Album of the Year </td><td colspan=1 rowspan=1 > Barton Hollow </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=2 > Country Music Association Awards </td><td colspan=1 rowspan=1 > Vocal Duo of the Year </td><td colspan=1 rowspan=1 > The Civil Wars </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > Musical Event of the Year </td><td colspan=1 rowspan=4 > "Safe & Sound" (as featuring) </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=3 > 2013 </td><td colspan=1 rowspan=2 > 2013 Grammy Award </td><td colspan=1 rowspan=1 > Best Country Duo/Group Performance </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > Best Song Written for Visual Media </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 Golden Globe Award </td><td colspan=1 rowspan=1 > Best Original Song </td><td colspan=1 rowspan=1 > Nominated </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > 2014 Grammy Award </td><td colspan=1 rowspan=1 > Best Country Duo/Group Performance </td><td colspan=1 rowspan=1 > "From This Valley" </td><td colspan=1 rowspan=1 > Won </td></tr>
</table>
Question:
In which categories were The Civil Wars nominated for the Country Music Association Award and the Americana Music Awards in 2011?
Answer:
The Civil Wars was nominated for a 2011 Country Music Association Award in the Vocal Duo of the Year category and in the Duo/Group of the Year and Emerging Artist of the Year categories for the Americana Music Awards.