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:
Triple H (band)
Table title:
Extended plays
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=2 > Album details </th><th colspan=2 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Sales </th></tr>
<tr> <th colspan=1 rowspan=1 > KOR </th><th colspan=1 rowspan=1 > US World </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > 199X </th><td class="highlighted"  colspan=1 rowspan=1 > Released: May 1, 2017 Label: Cube Entertainment, LOEN Entertainment Formats: CD, digital download </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > KOR: 5,157+ </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Retro Futurism </th><td class="highlighted"  colspan=1 rowspan=1 > Released: July 18, 2018 Label: Cube Entertainment, LOEN Entertainment Formats: CD, digital download </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > KOR: 11,605+ </td></tr>
<tr> <td colspan=5 rowspan=1 > "—" denotes releases that did not chart or were not released in that region. </td></tr>
</table>
Question:
How many extended plays has Triple H band released and what are their titles?
Answer:
Triple H (band) released two extended plays, 199X (2017) and Retro Futurism (2018).