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:
Nagareboshi to Koi no Ame
Table title:
Charts and certifications
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Release </th><th colspan=1 rowspan=1 > Chart </th><th colspan=1 rowspan=1 > Peak position </th><th colspan=1 rowspan=1 > Sales total </th></tr>
<tr> <td colspan=1 rowspan=3 > July 13, 2011 </td><td class="highlighted"  colspan=1 rowspan=1 > Japan Oricon Daily Singles Chart </td><td class="highlighted"  colspan=1 rowspan=1 > 15 </td><td class="highlighted"  colspan=1 rowspan=3 > 2,727 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Japan Oricon Weekly Singles Chart </td><td class="highlighted"  colspan=1 rowspan=1 > 24 </td></tr>
<tr> <td colspan=1 rowspan=1 > Japan Billboard Hot 100 </td><td colspan=1 rowspan=1 > 7 </td></tr>
</table>
Question:
How popular is the song "Nagareboshi to Koi no Ame" in Japan?
Answer:
The song Nagareboshi to Koi no Ame charted at number 15 on the Oricon Daily Singles, number 24 on the Oricon Weekly Singles chart and number 7 on the Japan Billboard Hot 100, selling 2,727 copies in total.