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:
Patrick McGoohan
Table title:
Filmography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 1955 </td><td colspan=1 rowspan=1 > The Vise </td><td colspan=1 rowspan=1 > Tony Mason </td><td colspan=1 rowspan=1 > 1 episode ("Gift from Heaven") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > The Vise </td><td colspan=1 rowspan=1 > Vance </td><td colspan=1 rowspan=1 > 1 episode ("Blood in the Sky") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > Armchair Theatre </td><td colspan=1 rowspan=1 > Jack 'Pal' Smurch </td><td colspan=1 rowspan=1 > 1 episode ("The Greatest Man in the World") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1959 </td><td colspan=1 rowspan=1 > Brand </td><td colspan=1 rowspan=1 > Priest Brand </td><td colspan=1 rowspan=1 > Henrik Ibsen play </td></tr>
<tr> <td colspan=1 rowspan=1 > 1961 </td><td colspan=1 rowspan=1 > Armchair Theatre </td><td colspan=1 rowspan=1 > Nicholai Soloviov </td><td colspan=1 rowspan=1 > 1 episode ("The Man Out There") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1960–62 1964–67 </td><td colspan=1 rowspan=1 > Danger Man </td><td colspan=1 rowspan=1 > John Drake </td><td colspan=1 rowspan=1 > 39 + 47 episodes. Also directed three episodes. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1963 </td><td colspan=1 rowspan=1 > Walt Disney's Wonderful World of Color </td><td colspan=1 rowspan=1 > Doctor Christopher Syn/ Scarecrow of Romney Marsh </td><td colspan=1 rowspan=1 > 3 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1967–68 </td><td colspan=1 rowspan=1 > The Prisoner </td><td class="highlighted"  colspan=1 rowspan=1 > Number Six </td><td colspan=1 rowspan=1 > 17 episodes. Also directed five episodes. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1969 </td><td colspan=1 rowspan=1 > Journey into Darkness </td><td colspan=1 rowspan=1 > Host </td><td colspan=1 rowspan=1 > Made-for-TV film </td></tr>
<tr> <td colspan=1 rowspan=1 > 1974 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > Colonel Lyle C. Rumford </td><td colspan=1 rowspan=1 > 1 episode ("By Dawn's Early Light") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1975 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > Nelson Brenner </td><td colspan=1 rowspan=1 > 1 episode ("Identity Crisis"). Also directed. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1976 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 1 episode ("Last Salute to the Commodore") – director </td></tr>
<tr> <td colspan=1 rowspan=1 > 1977 </td><td colspan=1 rowspan=1 > Rafferty </td><td colspan=1 rowspan=1 > Doctor Sid Rafferty </td><td colspan=1 rowspan=1 > 13 episodes. Also directed one episode. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1979 </td><td colspan=1 rowspan=1 > The Hard Way </td><td colspan=1 rowspan=1 > John Connor </td><td colspan=1 rowspan=1 > Made-for-TV film </td></tr>
<tr> <td colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > Jamaica Inn </td><td colspan=1 rowspan=1 > Joss Merlyn </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > American Playhouse </td><td colspan=1 rowspan=1 > Chief magistrate </td><td colspan=1 rowspan=1 > 3 episodes ("Three Sovereigns for Sarah" parts I, II & III) </td></tr>
<tr> <td colspan=1 rowspan=1 > 1987 </td><td colspan=1 rowspan=1 > Murder, She Wrote </td><td colspan=1 rowspan=1 > Oliver Quayle </td><td colspan=1 rowspan=1 > 1 episode ("Witness for the Defense") </td></tr>
<tr> <td colspan=1 rowspan=1 > 1990 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > Oscar Finch </td><td colspan=1 rowspan=1 > 1 episode ("Agenda for Murder"). Also directed. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > Eric Prince </td><td colspan=1 rowspan=1 > "Ashes to Ashes". Also directed. </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > Columbo </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 1 episode ("Murder with Too Many Notes") – director </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2000 </td><td class="highlighted"  colspan=1 rowspan=1 > The Simpsons </td><td class="highlighted"  colspan=1 rowspan=1 > Number Six </td><td class="highlighted"  colspan=1 rowspan=1 > 1 episode ("The Computer Wore Menace Shoes") </td></tr>
</table>
Question:
When did Patrick McGoohan reprise his role as Number Six?
Answer:
In 2000, Patrick McGoohan reprised his role as Number Six in The Simpsons episode, "The Computer Wore Menace Shoes".