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:
Lee Seung-yeoul
Table title:
Club statistics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=3 rowspan=1 > Club performance </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > Cup </th><th colspan=2 rowspan=1 > League Cup </th><th colspan=2 rowspan=1 > Continental </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <th colspan=1 rowspan=1 > Season </th><th colspan=1 rowspan=1 > Club </th><th colspan=1 rowspan=1 > League </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th></tr>
<tr> <th colspan=3 rowspan=1 > South Korea </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > KFA Cup </th><th colspan=2 rowspan=1 > League Cup </th><th colspan=2 rowspan=1 > Asia </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td class="highlighted"  colspan=1 rowspan=4 > FC Seoul </td><td colspan=1 rowspan=4 > K League 1 </td><td colspan=1 rowspan=1 > 21 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > 5 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > 8 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 29 </td><td colspan=1 rowspan=1 > 10 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2012 </td><td class="highlighted"  colspan=1 rowspan=1 > Gamba </td><td class="highlighted"  colspan=1 rowspan=1 > J1 League </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Ulsan </td><td colspan=1 rowspan=2 > K League 1 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 2 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Seongnam </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 4 </td></tr>
<tr> <th colspan=3 rowspan=1 > Career total </th><th colspan=1 rowspan=1 > 130 </th><th colspan=1 rowspan=1 > 21 </th><th colspan=1 rowspan=1 > 8 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 18 </th><th colspan=1 rowspan=1 > 7 </th><th colspan=1 rowspan=1 > 8 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 164 </th><th colspan=1 rowspan=1 > 30 </th></tr>
</table>
Question:
Which league and club did Lee join in 2012 after leaving Seoul?
Answer:
In 2012, Lee left Seoul to join J1 League's Gamba Osaka.