legislation_cosponsors: 119-s-3214, G000574

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-s-3214	G000574	Sen. Gallego, Ruben [D-AZ]	D	AZ	2025-11-19	1