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:
Christa Vahlensieck
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 > Event </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <th colspan=6 rowspan=1 > Representing West Germany </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1977 </td><td class="highlighted"  colspan=1 rowspan=1 > Berlin Marathon </td><td colspan=1 rowspan=1 > Berlin, West Germany </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:34:48 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Osaka Ladies Marathon </td><td colspan=1 rowspan=1 > Osaka, Japan </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:34:42 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1983 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 19th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:40:43 </td></tr>
<tr> <td colspan=1 rowspan=1 > New York City Marathon </td><td colspan=1 rowspan=1 > New York City, United States </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:35:59 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1986 </td><td colspan=1 rowspan=1 > California International Marathon </td><td colspan=1 rowspan=1 > Sacramento, United States </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:39:31 </td></tr>
<tr> <td colspan=1 rowspan=1 > New York City Marathon </td><td colspan=1 rowspan=1 > New York City, United States </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:38:12 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1989 </td><td class="highlighted"  colspan=1 rowspan=1 > Vienna Marathon </td><td colspan=1 rowspan=1 > Vienna, Austria </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:34:47 </td></tr>
</table>
Question:
How did Christa Vahlensieck donat the 1977 Berlin Marathon, and the 1989 Vienna Marathon?
Answer:
Christa Vahlensieck won the 1977 Berlin Marathon, and the 1989 Vienna Marathon.