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:
Michael Beck
Table title:
Film
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 > 1971 </td><td colspan=1 rowspan=1 > The Hard Ride </td><td colspan=1 rowspan=1 > Highway Thug </td><td colspan=1 rowspan=1 > Uncredited </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1979 </td><td class="highlighted"  colspan=1 rowspan=1 > The Warriors </td><td class="highlighted"  colspan=1 rowspan=1 > Swan </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1979 </td><td colspan=1 rowspan=1 > Mayflower: The Pilgrims' Adventure </td><td colspan=1 rowspan=1 > John Alden </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1980 </td><td class="highlighted"  colspan=1 rowspan=1 > Xanadu </td><td class="highlighted"  colspan=1 rowspan=1 > Sonny Malone </td><td colspan=1 rowspan=1 > Nominated—Razzie Award for Worst Actor </td></tr>
<tr> <td colspan=1 rowspan=1 > 1980 </td><td colspan=1 rowspan=1 > Alcatraz: The Whole Shocking Story </td><td colspan=1 rowspan=1 > Clarence Carnes </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1981 </td><td colspan=1 rowspan=1 > Fly Away Home </td><td colspan=1 rowspan=1 > Mark </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Battletruck </td><td colspan=1 rowspan=1 > Hunter </td><td colspan=1 rowspan=1 > aka Warlords of the 21st Century and Destroyers </td></tr>
<tr> <td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Megaforce </td><td colspan=1 rowspan=1 > Dallas </td><td colspan=1 rowspan=1 > Nominated—Razzie Award for Worst Supporting Actor </td></tr>
<tr> <td colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > Triumphs of a Man Called Horse </td><td colspan=1 rowspan=1 > Koda </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > The Golden Seal </td><td colspan=1 rowspan=1 > Crawford </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1984 </td><td colspan=1 rowspan=1 > The Last Ninja </td><td colspan=1 rowspan=1 > Kenjiro Sakura </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1984 </td><td colspan=1 rowspan=1 > The Streets </td><td colspan=1 rowspan=1 > Sgt. Danny Wreade </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1984 </td><td colspan=1 rowspan=1 > Rearview Mirror </td><td colspan=1 rowspan=1 > Jerry Sam Hopps </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > Chiller </td><td colspan=1 rowspan=1 > Miles Creighton </td><td colspan=1 rowspan=1 > Television movie (aka Wes Craven's Chiller) </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > Blackout </td><td colspan=1 rowspan=1 > Mike Patterson </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1986 </td><td colspan=1 rowspan=1 > Gone to Texas </td><td colspan=1 rowspan=1 > James Bowie </td><td colspan=1 rowspan=1 > Television movie (aka Houston: The Legend of Texas) </td></tr>
<tr> <td colspan=1 rowspan=1 > 1990 </td><td colspan=1 rowspan=1 > Only One Survived </td><td colspan=1 rowspan=1 > Paul Haskel </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > Deadly Game </td><td colspan=1 rowspan=1 > Peterson </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > Stranger at My Door </td><td colspan=1 rowspan=1 > Jimmy Lee Dancey </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > Final Judgement </td><td colspan=1 rowspan=1 > Delaney </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > Fade to Black </td><td colspan=1 rowspan=1 > Braith </td><td colspan=1 rowspan=1 > Television movie </td></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > Forest Warrior </td><td colspan=1 rowspan=1 > Arlen Slaighter </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > The Jungle Book: Search for the Lost Treasure </td><td colspan=1 rowspan=1 > Prof. Gershwin Donovan </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > The Grace of Jake </td><td colspan=1 rowspan=1 > Henry Haynes </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > The Warriors: Last Subway Ride Home </td><td colspan=1 rowspan=1 > Swan </td><td colspan=1 rowspan=1 > Video </td></tr>
</table>
Question:
What were Michael Beck's first film roles in 1979 and 1980?
Answer:
Michael Beck played Swan in the 1979 film The Warriors, and Sonny Malone in Xanadu.