Conversation so far:
What was American football coach Jimmy Johnson's first coaching job?
Johnson began as an assistant coach at Louisiana Tech University in 1965.
Was American football coach Jimmy Johnson successful at the position of assistant coach at Louisiana Tech University?
Jimmy helped recruit high school quarterback Terry Bradshaw from nearby Shreveport, Louisiana.
Did American football coach Jimmy Johnson set any records with the team at Louisiana Tech University?
Did American football coach Jimmy Johnson coach anywhere besides Miami and Pittsburgh ?
In 1979, Jimmy Johnson got his first head coaching job, at Oklahoma State University.

Question: What was his final coaching job in the early years?
Self-contained rewrite: What was American football coach Jimmy Johnson's final coaching job in the early years?