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:
Andy Thompson (footballer, born 1967)
Table title:
Statistics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Club </th><th colspan=1 rowspan=2 > Season </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > FA Cup </th><th colspan=2 rowspan=1 > League Cup </th><th colspan=2 rowspan=1 > Other </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <th colspan=1 rowspan=1 > App </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > App </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > App </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > App </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > App </th><th colspan=1 rowspan=1 > Goals </th></tr>
<tr> <td colspan=1 rowspan=1 > Shrewsbury Town </td><td colspan=1 rowspan=1 > 2002–2003 </td><td colspan=1 rowspan=1 > 30 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </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 > 0 </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Cardiff City </td><td colspan=1 rowspan=1 > 2000–2002 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 0 </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 > 0 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Tranmere Rovers </td><td class="highlighted"  colspan=1 rowspan=1 > 1997–2000 </td><td colspan=1 rowspan=1 > 95 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 0 </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 > 115 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > Wolverhampton Wanderers </td><td colspan=1 rowspan=1 > 1986–1997 </td><td colspan=1 rowspan=1 > 376 </td><td colspan=1 rowspan=1 > 43 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > 1 </td><td class="highlighted"  colspan=1 rowspan=1 > 451 </td><td colspan=1 rowspan=1 > 45 </td></tr>
<tr> <td colspan=1 rowspan=1 > West Bromwich Albion </td><td colspan=1 rowspan=1 > 1985–1986 </td><td colspan=1 rowspan=1 > 24 </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 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 29 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <th colspan=1 rowspan=1 > Total </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > 532 </th><th colspan=1 rowspan=1 > 48 </th><th colspan=1 rowspan=1 > 30 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 38 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 38 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 638 </th><th colspan=1 rowspan=1 > 50 </th></tr>
</table>
Question:
What career move did Andy Thompson make in 1997?
Answer:
In 1997, Andy Thompson joined Tranmere Rovers, after making a total of 451 appearances.