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:
Billy Elliott (footballer)
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=5 rowspan=1 > Record </th></tr>
<tr> <th colspan=1 rowspan=1 > G </th><th colspan=1 rowspan=1 > W </th><th colspan=1 rowspan=1 > L </th><th colspan=1 rowspan=1 > D </th><th colspan=1 rowspan=1 > Win % </th></tr>
<tr> <td colspan=1 rowspan=1 > Libya </td><td colspan=1 rowspan=1 > Libya </td><td colspan=1 rowspan=1 > October 1961 </td><td colspan=1 rowspan=1 > 1963 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Daring FC </td><td colspan=1 rowspan=1 > Belgium </td><td colspan=1 rowspan=1 > July 1966 </td><td colspan=1 rowspan=1 > January 1968 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Sunderland </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > 1972 </td><td colspan=1 rowspan=1 > 1972 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Brann </td><td class="highlighted"  colspan=1 rowspan=1 > Norway </td><td class="highlighted"  colspan=1 rowspan=1 > 1974 </td><td class="highlighted"  colspan=1 rowspan=1 > December 1978 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Sunderland </td><td colspan=1 rowspan=1 > England </td><td class="highlighted"  colspan=1 rowspan=1 > December 1978 </td><td colspan=1 rowspan=1 > May 1979 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 56.5 </td></tr>
<tr> <td colspan=1 rowspan=1 > Darlington </td><td colspan=1 rowspan=1 > England </td><td colspan=1 rowspan=1 > June 1979 </td><td colspan=1 rowspan=1 > June 1983 </td><td colspan=1 rowspan=1 > 184 </td><td colspan=1 rowspan=1 > 56 </td><td colspan=1 rowspan=1 > 74 </td><td colspan=1 rowspan=1 > 54 </td><td colspan=1 rowspan=1 > 30.4 </td></tr>
</table>
Question:
What years did Billy Elliot serveBrann, and when did they return to Sunderland as manager?
Answer:
Billy Elliott served Norwegian side Brann between 1974 and 1978 and in December 1978 returned to Sunderland as manager.