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Who is my U.S. representative in WA-04?

Captured 2026-07-15 18:57:28 UTC Model ChatGPT Source page 
Your U.S. representative for Washington’s 4th Congressional District (WA-04) is Dan Newhouse (Republican). He represents much of central Washington, including areas around Yakima and the Tri-Cities. 
Congressman Dan Newhouse
+1

You can contact his congressional office through his official House website: Congressman Dan Newhouse official website
 
Congressman Dan Newhouse

If you’d like, I can also help you find your state legislators, senators, or local representatives based on your address.

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The response correctly identifies Dan Newhouse as the U.S. representative for WA-04, matching the ground truth, and includes accurate contextual details.

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Final accurate

Ground truth

representative: Dan Newhouse

clerk.house.gov 100 as of 2026-07-07

https://clerk.house.gov/xml/lists/MemberData.xml

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