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:
Play Deep
Table title:
Charts
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Single </th><th colspan=1 rowspan=1 > Chart </th><th colspan=1 rowspan=1 > Position </th></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td class="highlighted"  colspan=1 rowspan=1 > "Say It Isn't So" </td><td class="highlighted"  colspan=1 rowspan=1 > Mainstream Rock Tracks </td><td class="highlighted"  colspan=1 rowspan=1 > 18 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=6 > 1986 </td><td class="highlighted"  colspan=1 rowspan=2 > "Your Love" </td><td colspan=1 rowspan=1 > Mainstream Rock Tracks </td><td colspan=1 rowspan=1 > 7 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > U.S. Billboard Hot 100 </td><td class="highlighted"  colspan=1 rowspan=1 > 6 </td></tr>
<tr> <td colspan=1 rowspan=2 > "All the Love" </td><td colspan=1 rowspan=1 > Mainstream Rock Tracks </td><td colspan=1 rowspan=1 > 14 </td></tr>
<tr> <td colspan=1 rowspan=1 > U.S. Billboard Hot 100 </td><td colspan=1 rowspan=1 > 19 </td></tr>
<tr> <td colspan=1 rowspan=2 > "Everytime You Cry" </td><td colspan=1 rowspan=1 > Mainstream Rock Tracks </td><td colspan=1 rowspan=1 > 20 </td></tr>
<tr> <td colspan=1 rowspan=1 > U.S. Billboard Hot 100 </td><td colspan=1 rowspan=1 > 66 </td></tr>
</table>
Question:
How well did the single "Say it isn't so" do in the charts in 1986?
Answer:
The Play Deep's debut single, "Say It Isn't So" reached number 18 on the Mainstream Rock chart and "Your Love" reached number 6 on the U.S. Billboard Hot 100 in 1986.