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 Chang-dong
Table title:
Local awards
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Award </th><th colspan=1 rowspan=1 > Category </th><th colspan=1 rowspan=1 > Nominated work </th><th colspan=1 rowspan=1 > Result </th></tr>
<tr> <td colspan=1 rowspan=1 > 1995 </td><td colspan=1 rowspan=1 > Blue Dragon Film Awards </td><td colspan=1 rowspan=3 > Best Film </td><td colspan=1 rowspan=1 > A Single Spark </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Blue Dragon Film Awards </td><td colspan=1 rowspan=1 > Green Fish </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > Grand Bell Awards </td><td colspan=1 rowspan=1 > Peppermint Candy </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Baeksang Arts Awards </td><td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Oasis </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=4 > 2007 </td><td colspan=1 rowspan=2 > Korean Film Awards </td><td colspan=1 rowspan=1 > Best Picture </td><td colspan=1 rowspan=4 > Secret Sunshine </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Director's Cut Awards </td><td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Grand Bell Awards </td><td colspan=1 rowspan=1 > Special Award </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=2 > Grand Bell Awards </td><td colspan=1 rowspan=1 > Best Film </td><td colspan=1 rowspan=3 > Poetry </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Best Screenplay </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Baeksang Arts Awards </td><td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=5 > 2018 </td><td class="highlighted"  colspan=1 rowspan=1 > Buil Film Awards </td><td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=6 > Burning </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Grand Bell Awards </td><td colspan=1 rowspan=1 > Best Film </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Korean Association of Film Critics Awards </td><td colspan=1 rowspan=1 > FIPRESCI Award </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=2 > Cine 21 Awards </td><td colspan=1 rowspan=1 > Best Film </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2019 </td><td class="highlighted"  colspan=1 rowspan=1 > KOFRA Film Awards </td><td colspan=1 rowspan=1 > Best Director </td><td colspan=1 rowspan=1 > Won </td></tr>
</table>
Question:
Who won best director at the 2018 Buil Film Awards?
Answer:
Lee won Best Director at the 2018 Buil Film Awards, and the 2019 KOFRA Film Awards.