Response review
ChatGPT · paid, api, api · api
Who is my U.S. representative in MA-09?
Captured 2026-07-10 20:33:17 UTC
Model gpt-5-2025-08-07
Bill Keating (Democrat) is the U.S. Representative for Massachusetts’s 9th congressional district. ([clerk.house.gov](https://clerk.house.gov/members/K000375?utm_source=openai))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Bill (William) Keating as the U.S. Representative for MA-09, matching the ground truth. 'Bill' is a common short form of 'William'.
Human
not reviewed
Final
accurate
Ground truth
representative: William Keating
clerk.house.gov 100
as of 2026-07-07