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:
Karel Doorman-class frigate
Table title:
Ships
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Ship </th><th colspan=1 rowspan=1 > Pennant number </th><th colspan=1 rowspan=1 > commissioned </th><th colspan=1 rowspan=1 > Current Status </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Karel Doorman </td><td colspan=1 rowspan=1 > F827 </td><td colspan=1 rowspan=1 > 1991 </td><td class="highlighted"  colspan=1 rowspan=1 > sold to Belgium as Leopold I (F930) in 2005 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Willem van der Zaan </td><td colspan=1 rowspan=1 > F829 </td><td colspan=1 rowspan=1 > 1991 </td><td class="highlighted"  colspan=1 rowspan=1 > sold to Belgium as Louise-Marie (F931) in 2005. </td></tr>
<tr> <td colspan=1 rowspan=1 > Tjerk Hiddes </td><td colspan=1 rowspan=1 > F830 </td><td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > sold to Chile as Almirante Riveros (FF-18) in 2004 </td></tr>
<tr> <td colspan=1 rowspan=1 > Van Amstel </td><td colspan=1 rowspan=1 > F831 </td><td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > In Service </td></tr>
<tr> <td colspan=1 rowspan=1 > Abraham van der Hulst </td><td colspan=1 rowspan=1 > F832 </td><td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > sold to Chile as Blanco Encalada (FF-15) in 2004 </td></tr>
<tr> <td colspan=1 rowspan=1 > Van Nes </td><td colspan=1 rowspan=1 > F833 </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > sold to Portugal as NRP Bartolomeu Dias (F333) in 2006 </td></tr>
<tr> <td colspan=1 rowspan=1 > Van Galen </td><td colspan=1 rowspan=1 > F834 </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > sold to Portugal as NRP Dom Francisco de Almeida (F334) in 2006 </td></tr>
<tr> <td colspan=1 rowspan=1 > Van Speijk </td><td colspan=1 rowspan=1 > F828 </td><td colspan=1 rowspan=1 > 1995 </td><td colspan=1 rowspan=1 > In service </td></tr>
</table>
Question:
Which Karel Doorman-class frigates were sold to Belgium?
Answer:
In 2005, Karel Doorman and Willem van der Zaan (ships) were sold to Belgium as Leopold I (F930) and Louise-Marie (F931).