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:
EMD E-unit
Table title:
Models
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Model designation </th><th colspan=1 rowspan=1 > Build year </th><th colspan=1 rowspan=1 > Total produced </th><th colspan=1 rowspan=1 > AAR wheel arrangement </th><th colspan=1 rowspan=1 > Prime mover </th><th colspan=1 rowspan=1 > Power output </th><th colspan=1 rowspan=1 > Image </th></tr>
<tr> <td colspan=1 rowspan=1 > EA/EB </td><td colspan=1 rowspan=1 > 1937–1938 </td><td colspan=1 rowspan=1 > 6 A units, 6 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > Winton 201-A </td><td colspan=1 rowspan=1 > 1,800 hp (1,300 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td colspan=1 rowspan=1 > E1 </td><td colspan=1 rowspan=1 > 1937–1938 </td><td colspan=1 rowspan=1 > 8 A units, 3 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > Winton 201-A </td><td colspan=1 rowspan=1 > 1,800 hp (1,300 kW) </td><td colspan=1 rowspan=1 > Golden Gate Santa Fe train.JPG </td></tr>
<tr> <td colspan=1 rowspan=1 > E2 </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 > 2 A units, 4 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > Winton 201-A </td><td colspan=1 rowspan=1 > 1,800 hp (1,300 kW) </td><td colspan=1 rowspan=1 > City of Los Angeles 1944.JPG </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > E3 </td><td colspan=1 rowspan=1 > 1938–1940 </td><td colspan=1 rowspan=1 > 17 A units, 2 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567 </td><td class="highlighted"  colspan=1 rowspan=1 > 2,000 hp (1,490 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > E4 </td><td colspan=1 rowspan=1 > 1938-1939 </td><td colspan=1 rowspan=1 > 14 A units, 5 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567 </td><td class="highlighted"  colspan=1 rowspan=1 > 2,000 hp (1,490 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > E5 </td><td colspan=1 rowspan=1 > 1940–1941 </td><td colspan=1 rowspan=1 > 11 A units, 5 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567 </td><td class="highlighted"  colspan=1 rowspan=1 > 2,000 hp (1,490 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > E6 </td><td colspan=1 rowspan=1 > 1939–1942 </td><td colspan=1 rowspan=1 > 91 A units, 26 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567 </td><td class="highlighted"  colspan=1 rowspan=1 > 2,000 hp (1,490 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td colspan=1 rowspan=1 > E7 </td><td colspan=1 rowspan=1 > 1945–1949 </td><td colspan=1 rowspan=1 > 428 A units, 82 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567A </td><td colspan=1 rowspan=1 > 2,000 hp (1,490 kW) </td><td colspan=1 rowspan=1 > Afternoon Hiawatha 1956.JPG </td></tr>
<tr> <td colspan=1 rowspan=1 > E8 </td><td colspan=1 rowspan=1 > 1949–1954 </td><td colspan=1 rowspan=1 > 450 A units, 46 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567B </td><td colspan=1 rowspan=1 > 2,250 hp (1,678 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td colspan=1 rowspan=1 > E9 </td><td colspan=1 rowspan=1 > 1954–1964 </td><td colspan=1 rowspan=1 > 100 A units, 44 B units </td><td colspan=1 rowspan=1 > A1A-A1A </td><td colspan=1 rowspan=1 > EMD 567C </td><td colspan=1 rowspan=1 > 2,400 hp (1,790 kW) </td><td colspan=1 rowspan=1 > - </td></tr>
</table>
Question:
What is the total hp of E3 to E6?
Answer:
The E3, E4, E5, and E6 had a total of 2,000 hp.