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:
B. Unnikrishnan
Table title:
Filmography
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 > Credit </th><th colspan=1 rowspan=1 > Network </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2004 </td><td class="highlighted"  colspan=1 rowspan=1 > Black and White </td><td class="highlighted"  colspan=1 rowspan=1 > Writer </td><td class="highlighted"  colspan=1 rowspan=1 > Asianet </td><td class="highlighted"  colspan=1 rowspan=1 > Serial; director: Viji Thampi </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Annu Mazhayayirunnu </td><td colspan=1 rowspan=1 > Director Writer Producer </td><td colspan=1 rowspan=1 > Amrita TV </td><td colspan=1 rowspan=1 > Telefilm </td></tr>
</table>
Question:
Who was the writer of Black and White?
Answer:
B. Unnikrishnan was the writer of the Black and White serial telecast on Asianet in 2004.