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:
Yelena Vinogradova
Table title:
Achievements
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Competition </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <th colspan=5 rowspan=1 > Representing Soviet Union </th></tr>
<tr> <td colspan=1 rowspan=2 > 1990 </td><td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Split, Yugoslavia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4 x 400 m relay </td></tr>
<tr> <td colspan=1 rowspan=1 > Goodwill Games </td><td colspan=1 rowspan=1 > Seattle, United States </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 4 x 400 m relay </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1991 </td><td class="highlighted"  colspan=1 rowspan=2 > World Championships </td><td colspan=1 rowspan=2 > Tokyo, Japan </td><td class="highlighted"  colspan=1 rowspan=1 > 8th </td><td class="highlighted"  colspan=1 rowspan=1 > 200 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td class="highlighted"  colspan=1 rowspan=1 > 4 x 100 m relay </td></tr>
</table>
Question:
What two events did Yelena Vinogradova compete in during the 1991 World Championships, and what place did she finish in each event?
Answer:
She won the silver medal in the 4 x 100 m relay and placed eighth in the 200 m at the 1991 World Championships.