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:
List of UK Singles Chart number ones of the 1970s
Table title:
Million-selling and platinum records
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Artist </th><th colspan=1 rowspan=1 > Song </th><th colspan=1 rowspan=1 > Date released </th><th colspan=1 rowspan=1 > Date certified platinum </th><th colspan=1 rowspan=1 > Year of millionth sale </th></tr>
<tr> <td colspan=1 rowspan=1 > Gary Glitter </td><td colspan=1 rowspan=1 > "I Love You Love Me Love" </td><td colspan=1 rowspan=1 > 9 November 1973 </td><td colspan=1 rowspan=1 > 1 January 1974 </td><td colspan=1 rowspan=1 > 1973 </td></tr>
<tr> <td colspan=1 rowspan=1 > Brotherhood of Man </td><td colspan=1 rowspan=1 > "Save Your Kisses for Me" </td><td colspan=1 rowspan=1 > 5 March 1976 </td><td colspan=1 rowspan=1 > 1 May 1976 </td><td colspan=1 rowspan=1 > 1976 </td></tr>
<tr> <td colspan=1 rowspan=1 > Queen </td><td colspan=1 rowspan=1 > "Bohemian Rhapsody" </td><td colspan=1 rowspan=1 > 31 October 1975 </td><td colspan=1 rowspan=1 > 1 January 1976 </td><td colspan=1 rowspan=1 > 1975 </td></tr>
<tr> <td colspan=1 rowspan=1 > Wings </td><td colspan=1 rowspan=1 > "Mull of Kintyre" </td><td colspan=1 rowspan=1 > 11 November 1977 </td><td colspan=1 rowspan=1 > 1 December 1977 </td><td colspan=1 rowspan=1 > 1977 </td></tr>
<tr> <td colspan=1 rowspan=1 > David Soul </td><td colspan=1 rowspan=1 > "Don't Give Up on Us" </td><td colspan=1 rowspan=1 > 3 December 1976 </td><td colspan=1 rowspan=1 > 1 February 1977 </td><td colspan=1 rowspan=1 > 1977 </td></tr>
<tr> <td colspan=1 rowspan=1 > Boney M. </td><td colspan=1 rowspan=1 > "Rivers of Babylon" / "Brown Girl in the Ring" </td><td colspan=1 rowspan=1 > 14 April 1978 </td><td colspan=1 rowspan=1 > 1 May 1978 </td><td colspan=1 rowspan=1 > 1978 </td></tr>
<tr> <td colspan=1 rowspan=1 > Boney M. </td><td colspan=1 rowspan=1 > "Mary's Boy Child – Oh My Lord" </td><td colspan=1 rowspan=1 > 24 November 1978 </td><td colspan=1 rowspan=1 > 1 December 1978 </td><td colspan=1 rowspan=1 > 1978 </td></tr>
<tr> <td colspan=1 rowspan=1 > Simon Park </td><td colspan=1 rowspan=1 > "Eye Level" </td><td colspan=1 rowspan=1 > 3 November 1972 </td><td colspan=1 rowspan=1 > 1 January 1978 </td><td colspan=1 rowspan=1 > 1977 </td></tr>
<tr> <td colspan=1 rowspan=1 > John Travolta and Olivia Newton-John </td><td colspan=1 rowspan=1 > "You're the One That I Want" </td><td colspan=1 rowspan=1 > 1 May 1978 </td><td colspan=1 rowspan=1 > 1 July 1978 </td><td colspan=1 rowspan=1 > 1978 </td></tr>
<tr> <td colspan=1 rowspan=1 > John Travolta and Olivia Newton-John </td><td colspan=1 rowspan=1 > "Summer Nights" </td><td colspan=1 rowspan=1 > 1 September 1978 </td><td colspan=1 rowspan=1 > 1 October 1978 </td><td colspan=1 rowspan=1 > 1978 </td></tr>
<tr> <td colspan=1 rowspan=1 > Village People </td><td colspan=1 rowspan=1 > "Y.M.C.A." </td><td colspan=1 rowspan=1 > 1 November 1978 </td><td colspan=1 rowspan=1 > 1 January 1979 </td><td colspan=1 rowspan=1 > 1979 </td></tr>
<tr> <td colspan=1 rowspan=1 > Blondie </td><td colspan=1 rowspan=1 > "Heart of Glass </td><td colspan=1 rowspan=1 > 19 January 1979 </td><td colspan=1 rowspan=1 > 1 February 1979 </td><td colspan=1 rowspan=1 > 1979 </td></tr>
<tr> <td colspan=1 rowspan=1 > Art Garfunkel </td><td colspan=1 rowspan=1 > "Bright Eyes" </td><td colspan=1 rowspan=1 > 9 January 1979 </td><td colspan=1 rowspan=1 > 1 May 1979 </td><td colspan=1 rowspan=1 > 1979 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pink Floyd </td><td colspan=1 rowspan=1 > "Another Brick in the Wall (Part II)" </td><td colspan=1 rowspan=1 > 23 November 1979 </td><td colspan=1 rowspan=1 > 1 January 1980 </td><td colspan=1 rowspan=1 > 2004–10 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Slade </td><td class="highlighted"  colspan=1 rowspan=1 > "Merry Xmas Everybody" </td><td colspan=1 rowspan=1 > 7 December 1973 </td><td colspan=1 rowspan=1 > 1 December 1980 </td><td class="highlighted"  colspan=1 rowspan=1 > 1985 </td></tr>
<tr> <td colspan=1 rowspan=1 > The New Seekers </td><td colspan=1 rowspan=1 > "I'd Like to Teach the World to Sing (In Perfect Harmony)" </td><td colspan=1 rowspan=1 > 11 December 1971 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 2004–10 </td></tr>
<tr> <td colspan=1 rowspan=1 > ABBA </td><td colspan=1 rowspan=1 > "Dancing Queen" </td><td colspan=1 rowspan=1 > 6 August 1976 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 2004–10 </td></tr>
<tr> <td colspan=1 rowspan=1 > Julie Covington </td><td colspan=1 rowspan=1 > "Don't Cry for Me Argentina" </td><td colspan=1 rowspan=1 > 12 November 1976 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 2004–10 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ian Dury and The Blockheads </td><td colspan=1 rowspan=1 > "Hit Me with Your Rhythm Stick" </td><td colspan=1 rowspan=1 > 1 November 1978 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 2004–10 </td></tr>
</table>
Question:
What is the Million-selling songs by Slade?
Answer:
Slade's "Merry Xmas Everybody" sold over million copies in 1985.