user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Filmography' regarding 'Bruce M. Fischer'
Table Content:
| Year | Title | Role | Notes |
| --- | --- | --- | --- |
| 1971 | A Town Called Hell | Miguel | Uncredited |
| 1971 | Doc | Billy Clanton | - |
| 1971 | Captain Apache | - | - |
| 1971 | Man in the Wilderness | Wiser | - |
| 1973 | The Man Called Noon | Ranch hand | - |
| 1974 | Earthquake | Man #1 | Uncredited |
| 1976 | The Outlaw Josey Wales | Yoke | - |
| 1976 | Baker's Hawk | Blacksmith | - |
| 1979 | Escape from Alcatraz | Wolf | - |
| 1981 | Back Roads | Ezra | - |
| 1981 | Take This Job and Shove It | Jimmy | - |
| 1982 | Flush | - | - |
| 1983 | Something Wicked This Way Comes | Mr. Cooger | - |
| 1984 | City Heat | Bruiser #1 | - |
| 1985 | The Journey of Natty Gann | Charlie Linfield | - |
| 1987 | The Verne Miller Story | Harry Adler | - |
| 1989 | Real Men | Steelworker | - |
| 1990 | Grim Prairie Tales: Hit the Trail... to Terror | Colochez | - |
| 2009 | Everyman's War | Judge | - |
| 2014 | Birds of LA 17 | Boris the Strangler | - |


Question
In what year was Bruce M. Fischer most active?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In 1971 Bruce M. Fischer was most active, appearing in 4 films: A Town Called Hell, Doc, Captain Apache, and Man in the Wilderness."]