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:
Haha (entertainer)
Table title:
Former programs
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Network </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 2002–03 </td><td colspan=1 rowspan=1 > What's up YO! </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > Mnet </td><td colspan=1 rowspan=1 > Alongside MC Mong </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005–18 </td><td colspan=1 rowspan=1 > Infinite Challenge </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > MBC </td><td colspan=1 rowspan=1 > December 2005 – March 2008 March 2010 – March 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006–08 </td><td colspan=1 rowspan=1 > Music Bank </td><td colspan=1 rowspan=1 > Host </td><td colspan=1 rowspan=1 > KBS2 </td><td colspan=1 rowspan=1 > Left in February 2008 to serve his national service </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007–08 </td><td colspan=1 rowspan=1 > Happy Shares Company </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > KBS2 </td><td colspan=1 rowspan=1 > Left in February 2008 to serve his national service </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > HahaMong Show </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > SBS </td><td colspan=1 rowspan=1 > Alongside MC Mong </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012–13 </td><td colspan=1 rowspan=1 > Haha's 19TV Mutiny </td><td colspan=1 rowspan=1 > Host </td><td colspan=1 rowspan=1 > MBC </td><td colspan=1 rowspan=1 > Ended in April 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012–13 </td><td colspan=1 rowspan=1 > Porridge Making Woman, Undying Man </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > QTV </td><td colspan=1 rowspan=1 > Alongside Kim Ok-jung (Haha's Mother); ended in April 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Invisible Man </td><td colspan=1 rowspan=1 > Himself </td><td colspan=1 rowspan=1 > KBS </td><td colspan=1 rowspan=1 > Episode 1–12 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2015 </td><td class="highlighted"  colspan=1 rowspan=1 > Ya Man TV </td><td class="highlighted"  colspan=1 rowspan=1 > Host </td><td class="highlighted"  colspan=1 rowspan=1 > Mnet </td><td colspan=1 rowspan=1 > Episode 1–24 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Law of the Jungle </td><td colspan=1 rowspan=1 > Member </td><td colspan=1 rowspan=1 > SBS </td><td colspan=1 rowspan=1 > Episode 175–177 Brunei Hidden Kingdom Special </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016–17 </td><td colspan=1 rowspan=1 > Talk Road </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > JTBC </td><td colspan=1 rowspan=1 > Also known as "Talking Road" or "As I Say"; Alongside You Hee-yeol; Episode 1-24; Season 1 ended in March 2017 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > High School Rapper </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > Mnet </td><td colspan=1 rowspan=1 > Alongside Jeong Jun-ha, Episode 1–8 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Secret Variety Training Institute </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > MBC </td><td colspan=1 rowspan=1 > Episode 1 (Pilot variety); Alongside Noh Hong-chul </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017–18 </td><td colspan=1 rowspan=1 > Everybody is Dating Except Me </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > SBS Plus </td><td colspan=1 rowspan=1 > Episode 1–12 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Royale Adventure </td><td colspan=1 rowspan=1 > Member </td><td colspan=1 rowspan=1 > Clash Royale Korea YouTube </td><td colspan=1 rowspan=1 > Episode 1–11 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > How Are You.MOV </td><td colspan=1 rowspan=1 > Co-host </td><td colspan=1 rowspan=1 > JTBC </td><td colspan=1 rowspan=1 > Episode 1–present, Alongside Yoo Se-yoon </td></tr>
</table>
Question:
What did Haha host on Mnet in 2015?
Answer:
Haha has hosted a show, titled "Ya Man TV" on Mnet in 2015.