legislation_cosponsors: 119-hr-1061, S001211

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-1061	S001211	Rep. Stanton, Greg [D-AZ-4]	D	AZ	2026-01-13	0