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:
Steve McManaman
Table title:
International goals
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > # </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Opponent </th><th colspan=1 rowspan=1 > Score </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Competition </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1. </td><td class="highlighted"  colspan=1 rowspan=2 > 4 September 1999 </td><td class="highlighted"  colspan=1 rowspan=2 > Wembley Stadium, London, England </td><td class="highlighted"  colspan=1 rowspan=2 > Luxembourg </td><td colspan=1 rowspan=1 > 2–0 </td><td class="highlighted"  colspan=1 rowspan=2 > 6–0 </td><td class="highlighted"  colspan=1 rowspan=2 > UEFA Euro 2000 qualifying </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2. </td><td colspan=1 rowspan=1 > 5–0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3. </td><td colspan=1 rowspan=1 > 12 June 2000 </td><td colspan=1 rowspan=1 > Philips Stadion, Eindhoven, Netherlands </td><td colspan=1 rowspan=1 > Portugal </td><td colspan=1 rowspan=1 > 2–0 </td><td colspan=1 rowspan=1 > 2–3 </td><td colspan=1 rowspan=1 > UEFA Euro 2000 </td></tr>
</table>
Question:
What day did McManaman score twice in the 6–0 Euro 2000 qualifier victory over Luxembourg, at Wembley ?
Answer:
McManaman scored his international goal twice on 4 September 1999 in the 6–0 Euro 2000 qualifier victory over Luxembourg, at Wembley.