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:
Rubén de la Barrera
Table title:
Managerial statistics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Team </th><th colspan=1 rowspan=2 > Nat </th><th colspan=1 rowspan=2 > From </th><th colspan=1 rowspan=2 > To </th><th colspan=8 rowspan=1 > Record </th><th colspan=1 rowspan=2 > Ref </th></tr>
<tr> <th colspan=1 rowspan=1 > G </th><th colspan=1 rowspan=1 > W </th><th colspan=1 rowspan=1 > D </th><th colspan=1 rowspan=1 > L </th><th colspan=1 rowspan=1 > GF </th><th colspan=1 rowspan=1 > GA </th><th colspan=1 rowspan=1 > GD </th><th colspan=1 rowspan=1 > Win % </th></tr>
<tr> <td colspan=1 rowspan=1 > Villaralbo </td><td colspan=1 rowspan=1 > Spain </td><td colspan=1 rowspan=1 > 27 May 2010 </td><td colspan=1 rowspan=1 > 30 June 2012 </td><td colspan=1 rowspan=1 > 82 </td><td colspan=1 rowspan=1 > 48 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 140 </td><td colspan=1 rowspan=1 > 85 </td><td colspan=1 rowspan=1 > +55 </td><td colspan=1 rowspan=1 > 58.54 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Guijuelo </td><td colspan=1 rowspan=1 > Spain </td><td colspan=1 rowspan=1 > 18 July 2013 </td><td colspan=1 rowspan=1 > 30 June 2014 </td><td colspan=1 rowspan=1 > 38 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 49 </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > +17 </td><td colspan=1 rowspan=1 > 42.11 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Valladolid B </td><td colspan=1 rowspan=1 > Spain </td><td class="highlighted"  colspan=1 rowspan=1 > 30 June 2014 </td><td colspan=1 rowspan=1 > 1 July 2015 </td><td colspan=1 rowspan=1 > 38 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 54 </td><td colspan=1 rowspan=1 > 54 </td><td colspan=1 rowspan=1 > +0 </td><td colspan=1 rowspan=1 > 36.84 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Guijuelo </td><td colspan=1 rowspan=1 > Spain </td><td class="highlighted"  colspan=1 rowspan=1 > 1 July 2015 </td><td colspan=1 rowspan=1 > 27 May 2016 </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 36 </td><td colspan=1 rowspan=1 > 37 </td><td colspan=1 rowspan=1 > −1 </td><td colspan=1 rowspan=1 > 45.00 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Cultural Leonesa </td><td colspan=1 rowspan=1 > Spain </td><td colspan=1 rowspan=1 > 27 May 2016 </td><td colspan=1 rowspan=1 > 8 June 2018 </td><td colspan=1 rowspan=1 > 91 </td><td colspan=1 rowspan=1 > 44 </td><td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 162 </td><td colspan=1 rowspan=1 > 121 </td><td colspan=1 rowspan=1 > +41 </td><td colspan=1 rowspan=1 > 48.35 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Al Ahli </td><td colspan=1 rowspan=1 > Qatar </td><td colspan=1 rowspan=1 > 14 December 2018 </td><td colspan=1 rowspan=1 > Present </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > −6 </td><td colspan=1 rowspan=1 > 40.00 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=4 rowspan=1 > Total </th><td colspan=1 rowspan=1 > 299 </td><td colspan=1 rowspan=1 > 144 </td><td colspan=1 rowspan=1 > 73 </td><td colspan=1 rowspan=1 > 82 </td><td colspan=1 rowspan=1 > 453 </td><td colspan=1 rowspan=1 > 347 </td><td colspan=1 rowspan=1 > +106 </td><td colspan=1 rowspan=1 > 48.16 </td><th colspan=1 rowspan=1 > — </th></tr>
</table>
Question:
Which club was De la Barrera appointed to on 30th June 2014 and which club did he return to subsequently on 1st July 2015?
Answer:
On 30 June 2014, De la Barrera was appointed and at Valladolid B. On 1 July 2015 he returned to Guijuelo.