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:
1977 Ashfield by-election
Table title:
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><th colspan=1 rowspan=1 > ± </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Conservative </td><td class="highlighted"  colspan=1 rowspan=1 > Tim Smith </td><td class="highlighted"  colspan=1 rowspan=1 > 19,616 </td><td colspan=1 rowspan=1 > 43.1 </td><td colspan=1 rowspan=1 > +20.3 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td><td class="highlighted"  colspan=1 rowspan=1 > Michael Cowan </td><td class="highlighted"  colspan=1 rowspan=1 > 19,352 </td><td colspan=1 rowspan=1 > 42.5 </td><td colspan=1 rowspan=1 > 20.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Liberal </td><td colspan=1 rowspan=1 > Hampton Flint </td><td colspan=1 rowspan=1 > 4,380 </td><td colspan=1 rowspan=1 > 9.6 </td><td colspan=1 rowspan=1 > 4.7 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > National Front </td><td colspan=1 rowspan=1 > George Herrod </td><td colspan=1 rowspan=1 > 1,734 </td><td colspan=1 rowspan=1 > 3.8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Socialist Workers </td><td colspan=1 rowspan=1 > June Hall </td><td colspan=1 rowspan=1 > 453 </td><td colspan=1 rowspan=1 > 1.0 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td colspan=1 rowspan=1 > 264 </td><td colspan=1 rowspan=1 > 0.6 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Conservative gain from Labour </td><th colspan=1 rowspan=1 > Swing </th><td colspan=1 rowspan=1 > 20.8 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How many votes did Tim Smith use in winning the 1977 Ashfield by-election, over Labour's Michael Cowan?
Answer:
In the 1977 Ashfield by-election, Tim Smith won by 264 votes over Labour's Michael Cowan.