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:
John Harbaugh
Table title:
Coaching tree
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Coach </th><th colspan=1 rowspan=1 > Team </th><th colspan=1 rowspan=1 > Year(s) </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Ray Rhodes </td><td class="highlighted"  colspan=1 rowspan=1 > Philadelphia Eagles </td><td class="highlighted"  colspan=1 rowspan=1 > 1998 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Andy Reid </td><td colspan=1 rowspan=1 > Philadelphia Eagles </td><td class="highlighted"  colspan=1 rowspan=1 > 1999–2007 </td></tr>
</table>
Question:
Under which head coaches did John Harbaugh play for the Philadelphia Eagles?
Answer:
John Harbaugh was first hired in the NFL in 1998 by the Philadelphia Eagles head coach Ray Rhodes, and was retained by new head coach Andy Reid in 1999.