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:
Sara Mae Berman
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 United States </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1969 </td><td class="highlighted"  colspan=1 rowspan=1 > Boston Marathon </td><td colspan=1 rowspan=1 > Boston, United States </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 3:22:46 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1970 </td><td class="highlighted"  colspan=1 rowspan=1 > Boston Marathon </td><td colspan=1 rowspan=1 > Boston, United States </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 3:05:07 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1971 </td><td class="highlighted"  colspan=1 rowspan=1 > Boston Marathon </td><td colspan=1 rowspan=1 > Boston, United States </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 3:08:30 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1972 </td><td colspan=1 rowspan=1 > Boston Marathon </td><td colspan=1 rowspan=1 > Boston, United States </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 3:48:30 </td></tr>
</table>
Question:
Which years did Berman win the Boston Marathon?
Answer:
Berman won the Boston Marathon from 1969 to 1971.