user
Instruction
Answer the question based on the provided table.


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


Question
What were Michael Beck's first film roles in 1979 and 1980?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Michael Beck played Swan in the 1979 film The Warriors, and Sonny Malone in Xanadu."]