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:
Jung Eun-ji
Table title:
Television dramas
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 > 2012 </td><td colspan=1 rowspan=1 > Reply 1997 </td><td colspan=1 rowspan=1 > Sung Shi-won </td><td colspan=1 rowspan=1 > tvN </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=1 > That Winter, the Wind Blows </td><td colspan=1 rowspan=1 > Moon Hee-sun </td><td colspan=1 rowspan=1 > SBS </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Reply 1994 </td><td colspan=1 rowspan=1 > Sung Shi-won </td><td colspan=1 rowspan=1 > tvN </td><td colspan=1 rowspan=1 > cameo, episodes 16-17, 21 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Lovers of Music </td><td colspan=1 rowspan=1 > Choi Choon-hee </td><td class="highlighted"  colspan=1 rowspan=2 > KBS2 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2015 </td><td class="highlighted"  colspan=1 rowspan=1 > Cheer Up! </td><td colspan=1 rowspan=1 > Kang Yeon-doo </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Untouchable </td><td colspan=1 rowspan=1 > Seo Yi-ra </td><td colspan=1 rowspan=1 > JTBC </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What show did Jung Eun-ji star in during 2015, and what network was the show in?
Answer:
In 2015, Jung starred in KBS2 drama Cheer Up.