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:
Ted Bank
Table title:
College football
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Team </th><th colspan=1 rowspan=1 > Overall </th><th colspan=1 rowspan=1 > Conference </th><th colspan=1 rowspan=1 > Standing </th><th colspan=1 rowspan=1 > Bowl/playoffs </th></tr>
<tr> <td colspan=9 rowspan=1 > Idaho Vandals (Pacific Coast Conference) (1935–1940) </td></tr>
<tr> <td colspan=1 rowspan=1 > 1935 </td><td colspan=1 rowspan=1 > Idaho </td><td colspan=1 rowspan=1 > 2–7 </td><td colspan=1 rowspan=1 > 1–5 </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1936 </td><td colspan=1 rowspan=1 > Idaho </td><td colspan=1 rowspan=1 > 3–7 </td><td colspan=1 rowspan=1 > 0–4 </td><td colspan=1 rowspan=1 > 10th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1937 </td><td class="highlighted"  colspan=1 rowspan=1 > Idaho </td><td colspan=1 rowspan=1 > 4–3–1 </td><td colspan=1 rowspan=1 > 2–2 </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1938 </td><td class="highlighted"  colspan=1 rowspan=1 > Idaho </td><td colspan=1 rowspan=1 > 6–3–1 </td><td colspan=1 rowspan=1 > 2–3–1 </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1939 </td><td class="highlighted"  colspan=1 rowspan=1 > Idaho </td><td class="highlighted"  colspan=1 rowspan=1 > 2–6 </td><td colspan=1 rowspan=1 > 0–3 </td><td colspan=1 rowspan=1 > 10th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1940 </td><td class="highlighted"  colspan=1 rowspan=1 > Idaho </td><td class="highlighted"  colspan=1 rowspan=1 > 1–7–1 </td><td colspan=1 rowspan=1 > 0–4 </td><td colspan=1 rowspan=1 > 10th </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=2 rowspan=1 > Idaho: </td><td colspan=1 rowspan=1 > 18–33–3 </td><td colspan=1 rowspan=1 > 5–21–1 </td><td colspan=5 rowspan=1 >  </td></tr>
<tr> <td colspan=2 rowspan=1 > Total: </td><td class="highlighted"  colspan=1 rowspan=1 > 18–33–3 </td><td colspan=7 rowspan=1 >  </td></tr>
</table>
Question:
Why was Ted Bank fired after leading Idaho to a combined 10-6-2 record in 1937 and 1938?
Answer:
The success of 1937 and 1938 was not maintained as Idaho went 2–6 in 1939 and 1–7–1 in 1940, giving Ted Bank a six-year record of 18–33–3.