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:
Trippie Redd discography
Table title:
As lead artist
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=2 > Year </th><th colspan=5 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Certifications </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > US </th><th colspan=1 rowspan=1 > US R&B/HH </th><th colspan=1 rowspan=1 > CAN </th><th colspan=1 rowspan=1 > NZ Hot </th><th colspan=1 rowspan=1 > UK </th></tr>
<tr> <th colspan=1 rowspan=1 > "Poles1469" (featuring 6ix9ine) </th><td colspan=1 rowspan=4 > 2017 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 44 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > RIAA: Gold </td><td colspan=1 rowspan=2 > A Love Letter to You </td></tr>
<tr> <th colspan=1 rowspan=1 > "Love Scars" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > RIAA: Platinum </td></tr>
<tr> <th colspan=1 rowspan=1 > "Bust Down" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > RIAA: Gold </td><td colspan=1 rowspan=1 > A Love Letter to You 2 </td></tr>
<tr> <th colspan=1 rowspan=1 > "Dark Knight Dummo" (featuring Travis Scott) </th><td colspan=1 rowspan=1 > 72 </td><td colspan=1 rowspan=1 > 29 </td><td colspan=1 rowspan=1 > 93 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > RIAA: Platinum </td><td colspan=1 rowspan=2 > Life's a Trip </td></tr>
<tr> <th colspan=1 rowspan=1 > "How You Feel" </th><td class="highlighted"  colspan=1 rowspan=4 > 2018 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > "Me Likey" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Non-album single </td></tr>
<tr> <th colspan=1 rowspan=1 > "Taking a Walk" </th><td colspan=1 rowspan=1 > 46 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > 49 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 80 </td><td colspan=1 rowspan=1 > RIAA: Gold </td><td colspan=1 rowspan=1 > Life's a Trip </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Topanga" </th><td colspan=1 rowspan=1 > 52 </td><td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > 68 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 88 </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > A Love Letter to You 3 </td></tr>
</table>
Question:
In what year did Trippie Redd released the single"Topanga"?
Answer:
In 2018, Trippie Redd released the single "Topanga", off the album A Love Letter to You 3.