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:
John Robert Oosthuizen
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 South Africa </th></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > World Youth Championships </td><td colspan=1 rowspan=1 > Sherbrooke, Canada </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Javelin throw (700g) </td><td colspan=1 rowspan=1 > 81.07 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > African Junior Championships </td><td colspan=1 rowspan=1 > Radès, Tunisia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 75.94 m </td></tr>
<tr> <td colspan=1 rowspan=2 > 2006 </td><td colspan=1 rowspan=1 > Commonwealth Games </td><td colspan=1 rowspan=1 > Melbourne, Australia </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 78.32 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 83.07 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2007 </td><td colspan=1 rowspan=1 > All-Africa Games </td><td colspan=1 rowspan=1 > Algiers, Algeria </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 78.05 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Championships </td><td class="highlighted"  colspan=1 rowspan=1 > Osaka, Japan </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > Javelin throw </td><td class="highlighted"  colspan=1 rowspan=1 > 84.52 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 19th (q) </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 76.16 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Berlin, Germany </td><td colspan=1 rowspan=1 > 44th (q) </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 67.86 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Daegu, South Korea </td><td colspan=1 rowspan=1 > 33rd (q) </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 73.14 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Porto Novo, Benin </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 62.13 m </td></tr>
<tr> <td colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=1 > Universiade </td><td colspan=1 rowspan=1 > Kazan, Russia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 81.63 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Moscow, Russia </td><td colspan=1 rowspan=1 > 31st (q) </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 74.36 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Marrakech, Morocco </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Javelin throw </td><td colspan=1 rowspan=1 > 77.81 m </td></tr>
</table>
Question:
How did John Robert perform at the at the 2007 World Championships in Osaka?
Answer:
John Robert Oosthuizen threw 84.52 metres, at the 2007 World Championships in Osaka.