legislation_cosponsors: 119-s-1884, S001227

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-1884	S001227	Sen. Schmitt, Eric [R-MO]	R	MO	2025-05-22	1