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:
Dmitry Sorokin
Table title:
Competition record
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 Russia </th></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > World Youth Championships </td><td colspan=1 rowspan=1 > Brixen, Italy </td><td colspan=1 rowspan=1 > 13th (q) </td><td colspan=1 rowspan=1 > Triple jump </td><td colspan=1 rowspan=1 > 14.73 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 2015 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Prague, Czech Republic </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > Triple jump </td><td colspan=1 rowspan=1 > 16.65 m </td></tr>
<tr> <td colspan=1 rowspan=1 > Universiade </td><td class="highlighted"  colspan=1 rowspan=1 > Gwangju, South Korea </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > Triple jump </td><td class="highlighted"  colspan=1 rowspan=1 > 17.29 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Triple jump </td><td colspan=1 rowspan=1 > 16.99 m </td></tr>
<tr> <td colspan=1 rowspan=1 > Military World Games </td><td colspan=1 rowspan=1 > Mungyeong, South Korea </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Triple jump </td><td colspan=1 rowspan=1 > 17.01 m </td></tr>
</table>
Question:
What was Dmitry Sorokin's best in the 2015 event at Gwangju, what was his position and what event did he participate in?
Answer:
Dmitry Sorokin's best in the event was 17.29 metres at Gwangju in 2015.