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:
Charlene (singer)
Table title:
Albums
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Year released </th><th colspan=1 rowspan=1 > Record company </th></tr>
<tr> <td colspan=1 rowspan=1 > Charlene </td><td colspan=1 rowspan=1 > 1976 </td><td colspan=1 rowspan=1 > Prodigal </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Songs of Love </td><td class="highlighted"  colspan=1 rowspan=1 > 1977 </td><td class="highlighted"  colspan=1 rowspan=1 > Prodigal </td></tr>
<tr> <td colspan=1 rowspan=1 > I've Never Been to Me </td><td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Motown </td></tr>
<tr> <td colspan=1 rowspan=1 > The Sky Is the Limit (Gospel) </td><td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Motown </td></tr>
<tr> <td colspan=1 rowspan=1 > Used to Be </td><td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Motown </td></tr>
<tr> <td colspan=1 rowspan=1 > Hit & Run Lover </td><td colspan=1 rowspan=1 > 1984 </td><td colspan=1 rowspan=1 > Motown </td></tr>
</table>
Question:
What is released in 1977?
Answer:
In 1977, an album entitled Songs of Love was issued by Prodigal.