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:
1971 San Diego mayoral election
Table title:
Primary election results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Candidate </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > Pete Wilson </td><td colspan=1 rowspan=1 > 57,940 </td><td colspan=1 rowspan=1 > 36.8 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Democratic </td><td class="highlighted"  colspan=1 rowspan=1 > Ed Butler </td><td colspan=1 rowspan=1 > 28,870 </td><td class="highlighted"  colspan=1 rowspan=1 > 18.3 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td class="highlighted"  colspan=1 rowspan=1 > Jack Walsh </td><td colspan=1 rowspan=1 > 25,546 </td><td class="highlighted"  colspan=1 rowspan=1 > 16.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Democratic </td><td class="highlighted"  colspan=1 rowspan=1 > Frank Curran </td><td colspan=1 rowspan=1 > 16,743 </td><td class="highlighted"  colspan=1 rowspan=1 > 10.6 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Dan Grady </td><td colspan=1 rowspan=1 > 7,776 </td><td colspan=1 rowspan=1 > 4.9 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > Tom Hom </td><td colspan=1 rowspan=1 > 7,106 </td><td colspan=1 rowspan=1 > 4.5 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Virginia Taylor </td><td colspan=1 rowspan=1 > 6,125 </td><td colspan=1 rowspan=1 > 3.9 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Gilbert Robledo </td><td colspan=1 rowspan=1 > 2,923 </td><td colspan=1 rowspan=1 > 1.9 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Alan Littlemore </td><td colspan=1 rowspan=1 > 1,584 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td colspan=1 rowspan=1 > Mike Schaefer </td><td colspan=1 rowspan=1 > 1,540 </td><td colspan=1 rowspan=1 > 1.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Arthur Mannion </td><td colspan=1 rowspan=1 > 425 </td><td colspan=1 rowspan=1 > 0.3 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > William McKinley </td><td colspan=1 rowspan=1 > 373 </td><td colspan=1 rowspan=1 > 0.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Don Marsh </td><td colspan=1 rowspan=1 > 341 </td><td colspan=1 rowspan=1 > 0.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nonpartisan </td><td colspan=1 rowspan=1 > Kenny Olson </td><td colspan=1 rowspan=1 > 340 </td><td colspan=1 rowspan=1 > 0.2 </td></tr>
<tr> <th colspan=3 rowspan=1 > Total votes </th><td colspan=1 rowspan=1 > 157,632 </td><td colspan=1 rowspan=1 > 100 </td></tr>
</table>
Question:
Where did everyone finish in the 1971 San Diego mayoral election? 
Answer:
In the 1971 San Diego mayoral election, Butler came in second place with 18.3 percent, followed by Walsh in third place with 16.2 percent of the vote, and Curran at 10.6 percent.