legislation_cosponsors: 119-hres-75, R000305

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-hres-75	R000305	Rep. Ross, Deborah K. [D-NC-2]	D	NC	2025-01-28	1