Merlin Olsen

Career overview

Role: Meticulous television and film archivist.
Task: Write a career overview of Merlin Olsen (Acting) based only on provided sources.
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, awards, etc.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Length: 180-260 words.
Structure: 2-3 short paragraphs.
No preamble, no JSON.
Name: Merlin Jay Olsen.
Birth: September 15, 1940.
Death: March 10, 2010 (Note: Synopsis says March 11, 2010, but Source [1] says March 10, 2010. I will stick to the source's specific date or mention the discrepancy if necessary, but usually, in archival work, if sources conflict, I must be careful. However, the prompt says "Use ONLY facts present above". Source [1] says March 10, 2010. Synopsis says March 11, 2010. I'll prioritize the synopsis for the bio part or just focus on the acting career as requested).
Acting Roles/Credits:
Jonathan Garvey (farmer) on Little House on the Prairie (seasons 4 through 7, 1977-1981).
Title character in the Western series Father Murphy (1981-1983).
Films/Shows mentioned in Source [3]: Walking Tall, Kung Fu, Undefeated, The.
Total Known Credits: 17.
Paragraph 1: Introduction and Little House on the Prairie.
Merlin Jay Olsen was an American actor known for his work in television. He is best recognized for his portrayal of the farmer Jonathan Garvey on the series Little House on the Prairie. His tenure on this program spanned from the fourth through the seventh seasons, occurring between 1977 and 1981.
Paragraph 2: Father Murphy and other works.
Following his role on Little House on the Prairie, Olsen starred as the title character in the Western series Father Murphy, which aired from 1981 to 1983. His filmography includes appearances in Walking Tall, Kung Fu, Undefeated, and The. He has a total of 17 known acting credits.
Current Word Count Check:
Para 1: ~45 words.
Para 2: ~45 words.
Total: ~90 words.
Problem: The requirement is 180-260 words. I need to expand using only the provided facts.
Expanding (Carefully):
I can't invent facts. I must use the provided facts. The provided facts are limited.
Facts available:
Name: Merlin Jay Olsen.
Known for acting.
17 known credits.
Jonathan Garvey (farmer) on Little House on the Prairie (seasons 4-7, 1977-1981).
Title character in Father Murphy (1981-1983).
Walking Tall, Kung Fu, Undefeated, The.
Wait, if the word count requirement is 180-260 words and the source material is very sparse, I might struggle to reach the minimum without being repetitive or violating the "no inventing" rule. Let's re-examine the sources.
Source [1] says: "Known For: Acting", "Known Credits: 17".
Synopsis says: "As an actor, Olsen is best known for portraying farmer Jonathan Garvey on the fourth through seventh seasons of