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:
Brian P. Roman
Table title:

Table:
<table id='hittask' contenteditable='False'>
<tr> <td colspan=1 rowspan=1 > 4490 Bambery </td><td class="highlighted"  colspan=1 rowspan=1 > July 14, 1988 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 4954 Eric </td><td colspan=1 rowspan=1 > September 23, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > (5131) 1990 BG </td><td colspan=1 rowspan=1 > January 21, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 5186 Donalu </td><td colspan=1 rowspan=1 > September 22, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 5588 Jennabelle </td><td colspan=1 rowspan=1 > September 23, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 5620 Jasonwheeler </td><td colspan=1 rowspan=1 > July 19, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 12272 Geddylee </td><td colspan=1 rowspan=1 > September 22, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 19155 Lifeson </td><td colspan=1 rowspan=1 > September 22, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > 23469 Neilpeart </td><td colspan=1 rowspan=1 > September 22, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > (24693) 1990 SB2 </td><td colspan=1 rowspan=1 > September 23, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=1 rowspan=1 > (29180) 1990 SW1 </td><td class="highlighted"  colspan=1 rowspan=1 > September 22, 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > MPC </td></tr>
<tr> <td colspan=3 rowspan=1 > 1 co-discovery with Eleanor Helin </td></tr>
</table>
Question:
How many planets is Brian Roman responsible for discovering between 1988 and 1990 at the Minor Planet Centre?
Answer:
Brian Roman is credited by the Minor Planet Center with the discovery of 11 minor planets between 1988 and 1990, including 4954 Eric.