original_query: What role did Larner play in the campaign in the Bay Area?
query: What role did Jeremy Larner play in the making of the film The Candidate, specifically regarding the Bay Area?
answer: Jeremy Larner, the screenwriter, used his experiences from various political campaigns in the story.  Nelson Rising, an associate producer who had worked on John V. Tunney's campaign, helped Larner find political locations in the Bay Area and supplied political volunteers as extras for the film.