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:
Holly Dunn
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Year </th><th colspan=1 rowspan=2 > Single </th><th colspan=2 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > US Country </th><th colspan=1 rowspan=1 > CAN Country </th></tr>
<tr> <td colspan=1 rowspan=2 > 1985 </td><th colspan=1 rowspan=1 > "Playing for Keeps" </th><td colspan=1 rowspan=1 > 62 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > N/A </td></tr>
<tr> <th colspan=1 rowspan=1 > "My Heart Holds On" </th><td colspan=1 rowspan=1 > 64 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=3 > Holly Dunn </td></tr>
<tr> <td colspan=1 rowspan=2 > 1986 </td><th colspan=1 rowspan=1 > "Two Too Many" </th><td colspan=1 rowspan=1 > 39 </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Daddy's Hands" </th><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=2 > 1987 </td><th colspan=1 rowspan=1 > "Love Someone Like Me" </th><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=3 > Cornerstone </td></tr>
<tr> <th colspan=1 rowspan=1 > "Only When I Love" </th><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 7 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 1988 </td><th colspan=1 rowspan=1 > "Strangers Again" </th><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > 36 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "That's What Your Love Does to Me" </th><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 6 </td><td class="highlighted"  colspan=1 rowspan=2 > Across the Rio Grande </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "(It's Always Gonna Be) Someday" </th><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > N/A </td></tr>
<tr> <td colspan=1 rowspan=2 > 1989 </td><th colspan=1 rowspan=1 > "Are You Ever Gonna Love Me" </th><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=2 > The Blue Rose of Texas </td></tr>
<tr> <th colspan=1 rowspan=1 > "There Goes My Heart Again" </th><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 8 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1990 </td><th colspan=1 rowspan=1 > "My Anniversary for Being a Fool" </th><td colspan=1 rowspan=1 > 63 </td><td colspan=1 rowspan=1 > 75 </td><td colspan=1 rowspan=3 > Heart Full of Love </td></tr>
<tr> <th colspan=1 rowspan=1 > "You Really Had Me Going" </th><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td colspan=1 rowspan=3 > 1991 </td><th colspan=1 rowspan=1 > "Heart Full of Love" </th><td colspan=1 rowspan=1 > 19 </td><td colspan=1 rowspan=1 > 12 </td></tr>
<tr> <th colspan=1 rowspan=1 > "Maybe I Mean Yes" </th><td colspan=1 rowspan=1 > 48 </td><td colspan=1 rowspan=1 > 45 </td><td colspan=1 rowspan=2 > Milestones: Greatest Hits </td></tr>
<tr> <th colspan=1 rowspan=1 > "No One Takes the Train Anymore" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=3 > 1992 </td><th colspan=1 rowspan=1 > "No Love Have I" </th><td colspan=1 rowspan=1 > 67 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=3 > Getting It Dunn </td></tr>
<tr> <th colspan=1 rowspan=1 > "As Long as You Belong to Me" </th><td colspan=1 rowspan=1 > 68 </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Golden Years" </th><td colspan=1 rowspan=1 > 51 </td><td colspan=1 rowspan=1 > 62 </td></tr>
<tr> <td colspan=1 rowspan=3 > 1995 </td><th colspan=1 rowspan=1 > "I Am Who I Am" </th><td colspan=1 rowspan=1 > 56 </td><td colspan=1 rowspan=1 > 56 </td><td colspan=1 rowspan=3 > Life and Love and All the Stages </td></tr>
<tr> <th colspan=1 rowspan=1 > "Cowboys Are My Weakness" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "It's Not About Blame" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><th colspan=1 rowspan=1 > "Leave One Bridge Standing" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > Leave One Bridge Standing </td></tr>
<tr> <td colspan=5 rowspan=1 > "—" denotes releases that did not chart </td></tr>
</table>
Question:
What singles were Included in Across the Rio Grande in 1988?
Answer:
Across the Rio Grande in 1988 included the singles "That's What Your Love Does to Me" and "(It's Always Gonna Be) Someday".