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:
Holland-class offshore patrol vessel
Table title:
Ships in class
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Pennant number </th><th colspan=1 rowspan=1 > Ship </th><th colspan=1 rowspan=1 > Laid down </th><th colspan=1 rowspan=1 > Launched </th><th colspan=1 rowspan=1 > Commissioned </th></tr>
<tr> <td colspan=1 rowspan=1 > P840 </td><td colspan=1 rowspan=1 > Holland </td><td colspan=1 rowspan=1 > 8 December 2008 </td><td colspan=1 rowspan=1 > 2 February 2010 </td><td colspan=1 rowspan=1 > 6 July 2012 </td></tr>
<tr> <td colspan=1 rowspan=1 > P841 </td><td colspan=1 rowspan=1 > Zeeland </td><td colspan=1 rowspan=1 > 5 October 2009 </td><td colspan=1 rowspan=1 > 20 November 2010 </td><td colspan=1 rowspan=1 > 23 August 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > P842 </td><td colspan=1 rowspan=1 > Friesland </td><td colspan=1 rowspan=1 > 26 November 2009 </td><td colspan=1 rowspan=1 > 4 November 2010 </td><td colspan=1 rowspan=1 > 22 January 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > P843 </td><td class="highlighted"  colspan=1 rowspan=1 > Groningen </td><td class="highlighted"  colspan=1 rowspan=1 > 9 April 2010 </td><td class="highlighted"  colspan=1 rowspan=1 > 21 April 2011 </td><td colspan=1 rowspan=1 > 29 November 2013 </td></tr>
</table>
Question:
When was Groningen built and put into service?
Answer:
Groningen was laid down on 9 April 2010, launched on 21 April 2011 and commissioned on 29 November 2013.