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:
Ann B. Davis
Table title:
Television
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 > 1953–1953 </td><td colspan=1 rowspan=1 > Jukebox Jury </td><td colspan=1 rowspan=1 > Herself/Judge </td><td colspan=1 rowspan=1 > Musical series </td></tr>
<tr> <td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > Matinee Theater </td><td colspan=1 rowspan=1 > Peg Miller </td><td colspan=1 rowspan=1 > Episode: "Belong to Me" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > Lux Video Theatre </td><td colspan=1 rowspan=1 > Miss Killicat </td><td colspan=1 rowspan=1 > Episode: "The Wayward Saint" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1955–1959 </td><td colspan=1 rowspan=1 > The Bob Cummings Show </td><td colspan=1 rowspan=1 > Charmaine "Schultzy" Schultz </td><td colspan=1 rowspan=1 > 153 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1960 </td><td colspan=1 rowspan=1 > Wagon Train </td><td colspan=1 rowspan=1 > Mrs. Foster </td><td colspan=1 rowspan=1 > Episode: "The Countess Baranof Story" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1962 </td><td colspan=1 rowspan=1 > The New Breed </td><td colspan=1 rowspan=1 > Elizabeth MacBaine </td><td colspan=1 rowspan=1 > Episode: "Wherefore Art Thou, Romeo?" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1962 </td><td colspan=1 rowspan=1 > Here's Hollywood </td><td colspan=1 rowspan=1 > Herself </td><td colspan=1 rowspan=1 > Celebrity interview program </td></tr>
<tr> <td colspan=1 rowspan=1 > 1963 </td><td colspan=1 rowspan=1 > McKeever and the Colonel </td><td colspan=1 rowspan=1 > Sgt. Gruber </td><td colspan=1 rowspan=1 > Episode: "Too Many Sergeants" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1963 </td><td colspan=1 rowspan=1 > The Keefe Brasselle Show </td><td colspan=1 rowspan=1 > Herself </td><td colspan=1 rowspan=1 > 3 appearances on summer replacement series for The Garry Moore Show </td></tr>
<tr> <td colspan=1 rowspan=1 > 1964 </td><td colspan=1 rowspan=1 > Bob Hope Presents the Chrysler Theatre </td><td colspan=1 rowspan=1 > Matha </td><td colspan=1 rowspan=1 > Episode: "Wake Up, Darling" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1965–1966 </td><td colspan=1 rowspan=1 > The John Forsythe Show </td><td colspan=1 rowspan=1 > Miss Wilson </td><td colspan=1 rowspan=1 > 29 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=1 > The Pruitts of Southampton </td><td colspan=1 rowspan=1 > Mrs. Derwin </td><td colspan=1 rowspan=1 > Episode: "Phyllis Takes a Letter" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1968 </td><td colspan=1 rowspan=1 > Insight </td><td colspan=1 rowspan=1 > Pat </td><td colspan=1 rowspan=1 > Episode: "The Late Great God" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1970/1973 </td><td colspan=1 rowspan=1 > Love, American Style </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1971 </td><td colspan=1 rowspan=1 > Big Fish, Little Fish </td><td colspan=1 rowspan=1 > Hilda Rose </td><td colspan=1 rowspan=1 > Movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1973 </td><td colspan=1 rowspan=1 > The World of Sid & Marty Krofft at the Hollywood Bowl </td><td colspan=1 rowspan=1 > Audience member </td><td colspan=1 rowspan=1 > Uncredited </td></tr>
<tr> <td colspan=1 rowspan=1 > 1969–1974 </td><td colspan=1 rowspan=1 > The Brady Bunch </td><td colspan=1 rowspan=1 > Alice Nelson / Cousin Emma </td><td colspan=1 rowspan=1 > 117 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1974 </td><td colspan=1 rowspan=1 > Only with Married Men </td><td colspan=1 rowspan=1 > Mola </td><td colspan=1 rowspan=1 > Movie; uncredited </td></tr>
<tr> <td colspan=1 rowspan=1 > 1976–1977 </td><td colspan=1 rowspan=1 > The Brady Bunch Hour </td><td colspan=1 rowspan=1 > Alice Nelson </td><td colspan=1 rowspan=1 > 9 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1980 </td><td colspan=1 rowspan=1 > The Love Boat </td><td colspan=1 rowspan=1 > Agnes </td><td colspan=1 rowspan=1 > Episode: "Invisible Maniac/September Song/Peekaboo" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1981 </td><td colspan=1 rowspan=1 > The Brady Girls Get Married </td><td class="highlighted"  colspan=1 rowspan=6 > Alice Nelson </td><td colspan=1 rowspan=1 > Movie </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1981 </td><td class="highlighted"  colspan=1 rowspan=1 > The Brady Brides </td><td class="highlighted"  colspan=1 rowspan=1 > 6 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1988 </td><td colspan=1 rowspan=1 > A Very Brady Christmas </td><td colspan=1 rowspan=1 > Movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1989 </td><td colspan=1 rowspan=1 > Day by Day </td><td colspan=1 rowspan=1 > Episode: "A Very Brady Episode" </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1990 </td><td class="highlighted"  colspan=1 rowspan=1 > The Bradys </td><td class="highlighted"  colspan=1 rowspan=1 > 4 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > Hi Honey, I'm Home! </td><td colspan=1 rowspan=1 > Episode: "SRP" </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Something So Right </td><td colspan=1 rowspan=1 > Maxine </td><td colspan=1 rowspan=1 > Episode: "Something About Inter-Ex-Spousal Relations" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > The Brady Bunch 35th Anniversary Reunion Special </td><td colspan=1 rowspan=1 > Herself </td><td colspan=1 rowspan=1 > TV special </td></tr>
</table>
Question:
Ann B. Davis which role in which shows in 1981 and 1990?
Answer:
Ann B. Davis reprised her role as Alice Nelson in two short-lived television series: The Brady Brides (1981) and The Bradys (1990), one of which lasted six episodes.