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:
Vanessa Spínola
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 Brazil </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2007 </td><td colspan=1 rowspan=1 > South American Junior Championships </td><td colspan=1 rowspan=1 > São Paulo, Brazil </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Long jump </td><td colspan=1 rowspan=1 > 5.79 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Youth Championships </td><td colspan=1 rowspan=1 > Ostrava, Czech Republic </td><td class="highlighted"  colspan=1 rowspan=1 > 21st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 4575 pts </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2008 </td><td class="highlighted"  colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Bydgoszcz, Poland </td><td class="highlighted"  colspan=1 rowspan=1 > 16th </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5233 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > South American U23 Championships </td><td colspan=1 rowspan=1 > Lima, Peru </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5138 pts </td></tr>
<tr> <td colspan=1 rowspan=5 > 2009 </td><td colspan=1 rowspan=3 > South American Junior Championships </td><td colspan=1 rowspan=3 > São Paulo, Brazil </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 100 m </td><td colspan=1 rowspan=1 > 11.95 s </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 4 × 100 m </td><td colspan=1 rowspan=1 > 45.86 s </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5574 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > Pan American Junior Championships </td><td colspan=1 rowspan=1 > Port of Spain, Trinidad and Tobago </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5574 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > South American Championships </td><td colspan=1 rowspan=1 > Lima, Peru </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5578 pts </td></tr>
<tr> <td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > South American Games / South American U23 Championships </td><td colspan=1 rowspan=1 > Medellín, Colombia </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > DNF </td></tr>
<tr> <td colspan=1 rowspan=1 > Ibero-American Championships </td><td colspan=1 rowspan=1 > San Fernando, Spain </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5304 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > South American Championships </td><td colspan=1 rowspan=1 > Buenos Aires, Argentina </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5428 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > South American U23 Championships </td><td colspan=1 rowspan=1 > São Paulo, Brazil </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5899 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Ibero-American Championships </td><td colspan=1 rowspan=1 > São Paulo, Brazil </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5722 pts </td></tr>
<tr> <td colspan=1 rowspan=2 > 2015 </td><td colspan=1 rowspan=1 > Pan American Games </td><td colspan=1 rowspan=1 > Toronto, Canada </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 6035 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 26th </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5647 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Rio de Janeiro, Brazil </td><td colspan=1 rowspan=1 > 23rd </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 6024 pts </td></tr>
<tr> <td colspan=1 rowspan=2 > 2017 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > London, United Kingdom </td><td colspan=1 rowspan=1 > 29th </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 4500 pts </td></tr>
<tr> <td colspan=1 rowspan=1 > Universiade </td><td colspan=1 rowspan=1 > Taipei, Taiwan </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Heptathlon </td><td colspan=1 rowspan=1 > 5337 pts </td></tr>
</table>
Question:
Which years did Vanessa Spínola compete in the World Youth Championships, and what place did she finish each year?
Answer:
Vanessa Spínola finished 21st at the 2007 World Youth Championships and 16th at the 2008 World Junior Championships.