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:
Ahmad Nourollahi
Table title:
Club career statistics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Club </th><th colspan=1 rowspan=2 > Division </th><th colspan=1 rowspan=2 > Season </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > Hazfi Cup </th><th colspan=2 rowspan=1 > Asia </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <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> <td colspan=1 rowspan=4 > Foolad Yazd </td><td colspan=1 rowspan=3 > Division 1 </td><td colspan=1 rowspan=1 > 2011–12 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012–13 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013–14 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 3 </td></tr>
<tr> <th colspan=2 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 33 </th><th colspan=1 rowspan=1 > 4 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > – </th><th colspan=1 rowspan=1 > – </th><th colspan=1 rowspan=1 > 33 </th><th colspan=1 rowspan=1 > 4 </th></tr>
<tr> <td colspan=1 rowspan=3 > Persepolis </td><td class="highlighted"  colspan=1 rowspan=6 > Pro League </td><td colspan=1 rowspan=1 > 2014–15 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015–16 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 30 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016–17 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Tractor Sazi (loan) </td><td colspan=1 rowspan=1 > 2016–17 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Persepolis </td><td colspan=1 rowspan=1 > 2017–18 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2018–19 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 35 </td><td colspan=1 rowspan=1 > 2 </td></tr>
<tr> <th colspan=3 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 100 </th><th colspan=1 rowspan=1 > 4 </th><th colspan=1 rowspan=1 > 8 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 24 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 133 </th><th colspan=1 rowspan=1 > 4 </th></tr>
<tr> <th colspan=3 rowspan=1 > Career Total </th><th colspan=1 rowspan=1 > 134 </th><th colspan=1 rowspan=1 > 8 </th><th colspan=1 rowspan=1 > 8 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 24 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 167 </th><th colspan=1 rowspan=1 > 8 </th></tr>
</table>
Question:
What happened to Nourollahi before 2018-19 Pro League?
Answer:
Nourollahi returned to Persepolis before 2018–19 Pro League.