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:
Vorotan Cascade
Table title:
Specifications
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Power Plant </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Units </th><th colspan=1 rowspan=1 > Installed Capacity (MW) </th><th colspan=1 rowspan=1 > Coordinates </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Spandaryan HPP </td><td colspan=1 rowspan=1 > 1989 </td><td colspan=1 rowspan=1 > 2 X 38 MW </td><td class="highlighted"  colspan=1 rowspan=1 > 76 </td><td colspan=1 rowspan=1 > 39°39′00″N 45°51′00″E / 39.65000°N 45.85000°E </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Shamb HPP </td><td colspan=1 rowspan=1 > 1978 </td><td colspan=1 rowspan=1 > 2 X 85.5 MW </td><td class="highlighted"  colspan=1 rowspan=1 > 171 </td><td colspan=1 rowspan=1 > 39°26′13″N 46°09′00″E / 39.43694°N 46.15000°E </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Tatev HPP </td><td colspan=1 rowspan=1 > 1970 </td><td colspan=1 rowspan=1 > 3 x 52.4 MW </td><td class="highlighted"  colspan=1 rowspan=1 > 157.2 </td><td colspan=1 rowspan=1 > 39°25′39″N 46°22′15″E / 39.42750°N 46.37083°E </td></tr>
<tr> <td colspan=1 rowspan=1 > Total </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 404.2 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was the installed capacity of the Tatev HPP, the Shamb HPP and the Spandaryan HPP?
Answer:
The Tatev HPP has installed capacity of 157.2 MW, the Shamb HPP has installed capacity of 171 MW and the Spandaryan HPP has installed capacity of 76 MW.