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:
Athletics at the 1968 Summer Olympics – Men's 4 × 100 metres relay
Table title:
Heat 1
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > RANK </th><th colspan=1 rowspan=1 > NATION </th><th colspan=1 rowspan=1 > ATHLETES </th><th colspan=1 rowspan=1 > TIME </th></tr>
<tr> <td colspan=1 rowspan=1 > 1. </td><td class="highlighted"  colspan=1 rowspan=1 > Jamaica (JAM) </td><td colspan=1 rowspan=1 > Errol Stewart Michael Fray Clifton Forbes Lennox Miller </td><td class="highlighted"  colspan=1 rowspan=1 > 38.3 (WR) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2. </td><td colspan=1 rowspan=1 > East Germany (GDR) </td><td colspan=1 rowspan=1 > Heinz Erbstösser Hartmut Schelter Peter Haase Harald Eggers </td><td colspan=1 rowspan=1 > 38.7 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3. </td><td colspan=1 rowspan=1 > West Germany (FRG) </td><td colspan=1 rowspan=1 > Karl-Peter Schmidtke Gert Metz Gerhard Wucherer Joachim Eigenherr </td><td colspan=1 rowspan=1 > 38.9 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4. </td><td colspan=1 rowspan=1 > Poland (POL) </td><td colspan=1 rowspan=1 > Wieslaw Maniak Edward Romanowski Zenon Nowosz Marian Dudziak </td><td colspan=1 rowspan=1 > 38.9 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5. </td><td colspan=1 rowspan=1 > Great Britain (GBR) </td><td colspan=1 rowspan=1 > Joseph Speake Ron Jones Ralph Banthorpe Barrie Kelly </td><td colspan=1 rowspan=1 > 39.4 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6. </td><td colspan=1 rowspan=1 > Trinidad and Tobago (TRI) </td><td colspan=1 rowspan=1 > Raymond Fabien Winston Short Carl Archer Edwin Roberts </td><td colspan=1 rowspan=1 > 39.5 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7. </td><td colspan=1 rowspan=1 > Ivory Coast (CIV) </td><td colspan=1 rowspan=1 > Atta Kouaukou N'dri Kouame Boy Diby Gaoussou Kone </td><td colspan=1 rowspan=1 > 39.6 </td></tr>
<tr> <td colspan=1 rowspan=1 > 8. </td><td colspan=1 rowspan=1 > Malaysia (MAS) </td><td colspan=1 rowspan=1 > Mani Jegathesan Tambusamy Krishnan Rajalingam Gunaratnam Ooi Hock Lim </td><td colspan=1 rowspan=1 > 40.8 </td></tr>
</table>
Question:
How did Jamaica perform in the Men's 4x100m at the 1968 Olympics?
Answer:
During the 1968 Summer Olympics – Men's 4 × 100 metres relay, Jamaica had a world record of 38.6 (38.65).