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 Keun-ho
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 > 2004 </td><td colspan=1 rowspan=3 > Incheon United </td><td colspan=1 rowspan=5 > K League 1 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=2 > Daegu FC </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 2 </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 > 2008 </td><td colspan=1 rowspan=1 > 26 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > 15 </td></tr>
<tr> <th colspan=3 rowspan=1 > Japan </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > Emperor's 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 > 2009 </td><td colspan=1 rowspan=2 > Júbilo Iwata </td><td class="highlighted"  colspan=1 rowspan=4 > J1 League </td><td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 26 </td><td colspan=1 rowspan=1 > 13 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 2 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Gamba Osaka </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 5 </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 > 5 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2011 </td><td class="highlighted"  colspan=1 rowspan=1 > 32 </td><td class="highlighted"  colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 17 </td></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 > 2012 </td><td colspan=1 rowspan=1 > Ulsan Hyundai </td><td colspan=1 rowspan=1 > K League 1 </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 8 </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 > 14 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 49 </td><td colspan=1 rowspan=1 > 14 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=2 > Sangju Sangmu (army) </td><td colspan=1 rowspan=1 > K League 2 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 27 </td><td colspan=1 rowspan=1 > 15 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > K League 1 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 4 </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 > 18 </td><td colspan=1 rowspan=1 > 4 </td></tr>
<tr> <th colspan=3 rowspan=1 > Qatar </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 >  </th><th colspan=2 rowspan=1 > Asia </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <td colspan=1 rowspan=1 > 2014-15 </td><td colspan=1 rowspan=1 > El Jaish SC </td><td colspan=1 rowspan=1 > Qatar Stars League </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 2 </td></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 > 2015 </td><td colspan=1 rowspan=1 > Jeonbuk Hyundai Motors </td><td colspan=1 rowspan=5 > K League 1 </td><td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > 4 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Jeju United </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 36 </td><td colspan=1 rowspan=1 > 5 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=2 > Gangwon FC </td><td colspan=1 rowspan=1 > 37 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 39 </td><td colspan=1 rowspan=1 > 8 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2018 </td><td colspan=1 rowspan=1 > 13 </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 > 13 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ulsan Hyundai </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 27 </td><td colspan=1 rowspan=1 > 5 </td></tr>
<tr> <th colspan=1 rowspan=3 > Total </th><th colspan=2 rowspan=1 > South Korea </th><th colspan=1 rowspan=1 > 246 </th><th colspan=1 rowspan=1 > 67 </th><th colspan=1 rowspan=1 > 19 </th><th colspan=1 rowspan=1 > 4 </th><th colspan=1 rowspan=1 > 19 </th><th colspan=1 rowspan=1 > 4 </th><th colspan=1 rowspan=1 > 16 </th><th colspan=1 rowspan=1 > 5 </th><th colspan=1 rowspan=1 > 300 </th><th colspan=1 rowspan=1 > 80 </th></tr>
<tr> <th colspan=2 rowspan=1 > Japan </th><th colspan=1 rowspan=1 > 88 </th><th colspan=1 rowspan=1 > 32 </th><th colspan=1 rowspan=1 > 7 </th><th colspan=1 rowspan=1 > 2 </th><th colspan=1 rowspan=1 > 5 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 7 </th><th colspan=1 rowspan=1 > 2 </th><th colspan=1 rowspan=1 > 107 </th><th colspan=1 rowspan=1 > 37 </th></tr>
<tr> <th colspan=2 rowspan=1 > Qatar </th><th colspan=1 rowspan=1 > 18 </th><th colspan=1 rowspan=1 > 2 </th><th colspan=2 rowspan=1 >  </th><th colspan=1 rowspan=1 > 2 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 20 </th><th colspan=1 rowspan=1 > 2 </th></tr>
<tr> <th colspan=3 rowspan=1 > Career total </th><th colspan=1 rowspan=1 > 352 </th><th colspan=1 rowspan=1 > 101 </th><th colspan=1 rowspan=1 > 26 </th><th colspan=1 rowspan=1 > 6 </th><th colspan=1 rowspan=1 > 24 </th><th colspan=1 rowspan=1 > 5 </th><th colspan=1 rowspan=1 > 25 </th><th colspan=1 rowspan=1 > 7 </th><th colspan=1 rowspan=1 > 427 </th><th colspan=1 rowspan=1 > 119 </th></tr>
</table>
Question:
How many goals did Lee Keun-ho's score for Gamba Osaka in 2011?
Answer:
The 2011 season was Lee Keun-ho's best season in the J1 League, having scored 15 goals for Gamba Osaka in 32 matches.