Response review
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Who is my U.S. representative in CA-39?
Your U.S. representative for California's 39th Congressional District (CA-39) is Mark Takano. He is a Democrat and has represented the current CA-39 district since 2023, following California's post-2020 census redistricting. The district includes parts of Riverside County, including areas such as Riverside, Jurupa Valley, Moreno Valley, and Perris. en.wikipedia.org +1 If you'd like to contact his office or learn more about his legislative work, his official House website is: Rep. Mark Takano's official website
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Mark Takano as the U.S. representative for CA-39, matching the ground truth. The district description details are extra context and don't detract from the correct core answer.
Human
not reviewed
Final
accurate
Ground truth
representative: Mark Takano
clerk.house.gov 100
as of 2026-07-07