legislation_cosponsors: 119-hr-7531, G000606

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
119-hr-7531	G000606	Rep. Grijalva, Adelita S. [D-AZ-7]	D	AZ	2026-02-12	1