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:
Inaldo Sena
Table title:
International competitions
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> <td colspan=1 rowspan=1 > 1986 </td><td colspan=1 rowspan=1 > South American Youth Championships </td><td colspan=1 rowspan=1 > Comodoro Rivadavia, Argentina </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.63 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1987 </td><td class="highlighted"  colspan=1 rowspan=1 > South American Junior Championships </td><td colspan=1 rowspan=1 > Santiago, Chile </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 48.26 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1988 </td><td class="highlighted"  colspan=1 rowspan=1 > South American Junior Championships </td><td colspan=1 rowspan=1 > Cubatão, Brazil </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.40 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Sudbury, Canada </td><td colspan=1 rowspan=1 > 7th (heats) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 48.30 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 1989 </td><td class="highlighted"  colspan=1 rowspan=1 > South American Junior Championships </td><td colspan=1 rowspan=1 > Montevideo, Uruguay </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.53 </td></tr>
<tr> <td colspan=1 rowspan=2 > Pan American Junior Championships </td><td colspan=1 rowspan=2 > Santa Fe, Argentina </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.14 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:13.22 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > South American Junior Championships </td><td colspan=1 rowspan=1 > Bogotá, Colombia </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 46.89 </td></tr>
<tr> <td colspan=1 rowspan=2 > Ibero-American Championships </td><td colspan=1 rowspan=2 > Manaus, Brazil </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 46.54 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:09.2 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Plovdiv, Bulgaria </td><td colspan=1 rowspan=1 > 7th (semis) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.09 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Seville, Spain </td><td colspan=1 rowspan=1 > 4th (heats) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.49 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1992 </td><td colspan=1 rowspan=2 > Ibero-American Championships </td><td colspan=1 rowspan=2 > Seville, Spain </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 46.14 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:03.50 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > South American Championships </td><td colspan=1 rowspan=1 > Lima, Peru </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.50 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1994 </td><td colspan=1 rowspan=2 > IAAF World Cup </td><td colspan=1 rowspan=2 > London, United Kingdom </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 45.44 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:04.28 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1995 </td><td colspan=1 rowspan=1 > South American Championships </td><td colspan=1 rowspan=1 > Manaus, Brazil </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 45.88 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Gothenburg, Sweden </td><td colspan=1 rowspan=1 > 5th (q-finals) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 45.71 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1996 </td><td colspan=1 rowspan=2 > Ibero-American Championships </td><td colspan=1 rowspan=2 > Medellín, Colombia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 45.88 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:04.28 </td></tr>
</table>
Question:
What was Inaldo Sena record in the South American Junior Championships?
Answer:
Inaldo Sena was the silver medallist at the 1987 South American Junior Championships and won three 400 m gold medals at that competition from 1988 to 1990.